Wild Horse Fire Brigade, P. O. Box 202, Yreka, CA (2026)

The WHFB Plan mitigates wildfire by restoring wild horses as keystone herbivores into appropriate vacant wild-lands beyond areas of conflict with commercial enterprises. Saving Wild Horses:

Wild Horse Fire Brigade provides sustainable cost-effective natural conservation of native species American wild horses by rewilding-relocating them into designated wilderness areas that are economically and

ecologically appropriate, which have abundant forage and water, where wild horses are restored to their evolutionary roles as north American keystone herbivores. In such areas, wild horses are no longer commingled with livestock, which eliminates the political and economic pressures that are currently being applied to native species American wild horses.

2. Rewilding Benefits:

Rewilding American wild horses from ‘Herd Areas’ and ‘Herd Management Areas’ where they are currently mismanaged via being commingled with livestock, and relocating wild horses into designated wilderness areas that are both ecologically and economically appropriate, is a genetic benefit for wild horses. Over the past centuries, many herd areas have been managed specifically for livestock production and have by design been made virtually devoid of apex predators, making such areas ecologically unsuited for wild horses. Caballus) evolved in North America 1.7-million years ago, and are a prey species that require co-habitation with their co-evolved predators. Apex predators engage in the process of Natural Selection that preserves the genetic vigor of wild horses. The predators of wild horses (bears, mountain lions, wolves and coyotes) take the weak, sick and elderly animals, which preserves the overall genetic health and vigor of wild horse herds, while also managing populations to nominal levels, thereby negating the great expense of the ill-conceived notion that contraceptives should be used on American wild horses. The use of any form of contraception (chemicals to sterilize mares or castration of stallions) is by definition ‘selective breeding’ and leads to genetic erosion. Such actions are currently being used as a misguided work-around due to the lack of apex predators, and interferes with the critically important processes related to the behavioral ecology of wild horses. Stallions must be allowed to compete for breeding rights to mares, and a mare’s hierarchy in a family band is partly determined by her sexual status and ability to procreate, which stallions and other mares can sense. More here: Selective Breeding of Wild Horses Accelerating Genetic Erosion

Finally, the relocation (rewilding) of wild horses from herd areas frees-up more grazing for livestock in areas that are virtually devoid of apex predators. The combination of the foregoing is a win-win for the wild horses and the livestock interests, and ends the longstanding and very costly range war.

3. Massive Savings for Taxpayers:

Putting wild horses back into the wilderness where they belong immediately saves American taxpayers over $150-million in annual costs related to the Bureau of Land Management's and the United States Forest Service's inhumane, wasteful and unreasonable management, helicopter roundups, and off-range holding and feeding (warehousing) of American wild horses.

4. Wildfire Fuels Reduction and Maintenance:

Wild horses deployed into designated wilderness areas, where motorized vehicles and equipment and prescribed burns are generally prohibited by law, naturally reduce and maintain hot-burning grass and brush fuels to nominal levels. Thus, according to the leading science today, this action reduces both the frequency and intensity of wildfire. Grass and brush fuels reduced and maintained by wild horses also reduces the potential adverse effects of overheating soils and thereby, destroying the microbiome, to name just one adverse effect. More here: Low-severity wildfires impact soils more than previously believed - Negative effects of low-severity fire on soil structure and organic matter.

Given the horrific costs in human life, adverse health impacts and climate impact from billions of tons of toxic smoke, loss of homes in the thousands annually, and the insured and uninsured losses, which are in the $-billions annually, even a small reduction in wildfire results in additional savings in the realm of hundreds of $-millions annually.

5. Natural Reseeding of Native Plants:

Unlike invasive species ungulates (cattle & sheep), wild horses have a simple digestive system that scientific studies show, do not digest the majority of the native plant and grass seeds that wild horses consume. Therefore, even as wild horses are reducing wildfire fuels via grazing, wild horses concurrently reseed the landscape via the intact seeds that are deposited back onto the landscape and able to germinate in their droppings. More here: Horse dung germinable seed content in relation to plant species abundance, diet composition and seed characteristics.

6. Forests Benefited:

Wild horses have co-evolved using trees as shelters during all seasons. This symbiotic relationship benefits the horse with shelter and benefits trees because horses graze the grass and brush fuels under the trees they use as shelters, break-off low limbs (aka: fire ladders) and fertilize trees with their droppings, all of which make trees more fire resilient.

7. Eco-Tourism:

Wild horses are American icons and treasured by over 100-million Americans. This love of American wild horses drives ecotourism in areas that have free-roaming wild horse herds, which helps bring revenues and jobs into such areas.

8. Sequestering Carbon:

Wild horses that graze grass and brush fuels are sequestering carbon compounds back into soils in their dung, which also incorporates the seeds of native plants, humus and microbiome, all of which restore and enrich soils, including fire-damaged soils. Reduces Need for Prescribed Burning:

Wild horses naturally grazing reduces the need for excessive prescribed burning of grass and brush, which sends millions of tons of carbon compounds into the atmosphere, accelerating climate change and ocean acidification. This also reduces the amount of toxins that impact air quality creating serious health issues.

10. Soil Disturbance:

Wild horses evolved in North America 1.7-million years ago and are a co-evolved species to other North American flora and fauna. Even their hoof design is unique, which results in low-impact on soils. The body-weight of a horse, when calculated over the surface area of their hooves, yields a significantly lower ground-loading and compaction (in pounds per square inch; PSI) as opposed to cattle. Cattle have less hoof surface area in proportion to their body weight, which causes significant disruption of soils, which is bad for wilderness ecosystems. Therefore, the best species of herbivore for wildfire-grazing in ecologically sensitive designated wilderness areas is without doubt the wild horse.

11. Erosion, Flora, Fauna and Fisheries:

Wild horses naturally maintain native species cover crops, which are important to the survival of co-evolved dependent fauna. Science shows that maintaining cover crops also helps to prevent soil erosion. The opposite is true when fire (prescribed or natural) strips-off a cover crop resulting in high levels of erosion and loss of water infiltration into aquifers. Post-wildfire erosion in late fall and early winter causes abnormal erosion of clay and silt sediments that damage the spawning grounds and cover fish eggs, which adversely impacts native species fisheries. Excess sediment can profoundly effect the productivity of a salmon or trout stream (Cordone and Kelly, 1961)

12. Reestablishing Deer and Elk Populations:

Published peer-reviewed science shows that wild horses and deer are ‘commensal’, which means they don’t take forage from each-other. In fact, the grazing overlap between deer and wild horses is only 1%. While cattle and deer have a 4% grazing overlap. The rewilding (and relocating) of wild horses into designated wilderness areas where deer and elk are currently suffering from collapsed populations, provides additional natural prey for apex predators (part of Natural Selection), which takes some of the depredation pressures off deer and elk, thereby rebalancing ecosystems.

09/03/2026

CRITICAL SHARE!! SHARE THIS INTO GROUPS! 🐴 A BAN ON A SLAUGHTERHOUSE THAT DOESN’T EXIST
Newsom’s horse bill, the export loophole, Mono Lake — and the cultural-heritage herd still on the mountain at Wild Horse Ranch

👇 Read every section. This is the record.
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THE POINT
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A governor can sign a bill that sounds like a rescue and still leave the pipeline open. That is the difference between protecting horses and posing with them.
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WHAT THE “BAN” ACTUALLY DOES
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California already made it a felony to possess or sell a horse knowing the carcass would be used for HUMAN CONSUMPTION. Voters did that in 1998 (Proposition 6). There has been NO USDA-inspected horse slaughter plant on U.S. soil since 2007, when Congress stopped funding inspections.

So a new Sacramento headline that “bans horse slaughter in California” is, in practice, a ban on something that is already illegal here and already gone from American packing plants.
What still happens is the part a press release never leads with: horses leave the state. They go to auctions, kill buyers, and plants in Mexico and Canada.

The federal SAFE Act — still not the law of the land — is written around slaughter FOR HUMAN CONSUMPTION. Ship the same animal as “animal feed,” “byproduct,” or a $25 “sale” that strips Wild Horse Act status, and the moral vocabulary changes while the truck still rolls.

If Newsom wanted a law that matched the rhetoric, he would have banned EXPORT of California horses for slaughter or rendering of ANY kind, including the feed loophole. He did not.
That is gamesmanship: take the applause, leave the loophole.
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MONO LAKE IS THE TELL
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While Sacramento sold a slaughter story, the Forest Service and BLM ran a helicopter gather on the Montgomery Pass / Mono Lake horses in July 2026.

Official tally: 461 CAPTURED.
Destination: off-range corrals in Modoc County, then the adoption-and-sale machinery.
Inyo National Forest’s own daily sheet listed deaths during the operation (three listed as chronic on July 9).
Tribes with ancestral claim to that ground sued and were not allowed to stop it.
That is not a rumor. That is the federal record.

Advocates have alleged worse disposal — including mass burial dug with heavy equipment. That allegation has not been established in the public documents reviewed here.

What IS established is the pattern:
California will pose as the state that “saved horses from slaughter” in the same season it green-lit, or at least did not fight, a gather that took hundreds of free-roaming animals off a landscape tribes call kinship and tourists call Mono Lake.

A ban that does not stop the trailer is a campaign prop.
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A CULTURAL-HERITAGE HERD STILL ON THE LAND — WILD HORSE RANCH
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There is another California herd that was not put on a truck this summer.

It lives on and around WILD HORSE RANCH, the wilderness research site of Wild Horse Fire Brigade on the California–Oregon border in Siskiyou County, in the Hornbrook / Copco / Soda Mountain country.

William Simpson and Michelle Gough have lived with that band for more than a decade — continuous, close-range observation, not a weekend count.

Siskiyou County recognized their ownership and management of the local cultural-heritage herd in 2022.

The herd is not a BLM HMA remnant held at a few dozen head. It is a functioning social system:

• Family bands
• Bachelor competition
• Foals
• The natural selection that only happens when there are co-evolved predators and enough stallions still contest breeding rights - - Wild Horse Ranch has all the co-evolutionary flora and fauna to support a 'Naturally-Living' Herd of Cultural-Heritage Horses.
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DRAKE, 1579 — AND WHY THIS HERD IS ARGUABLY CALIFORNIA’S MOST IMPORTANT
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Yvette Running Horse Collin’s 2017 University of Alaska Fairbanks dissertation argues that the official story — horses vanished from North America after the Ice Age and returned only with the Spanish — is a Eurocentric compression of Indigenous knowledge.
In that thesis she cites early European observers, including SIR FRANCIS DRAKE’S 1579 VOYAGE along what is now the California and Oregon coast, recording horses among Native peoples at a date that undercuts the “no horses until the conquistadors” classroom version.

WHFB treats the Siskiyou herd as a living piece of that older lineage — a cultural-heritage population on the same general coast Drake’s men saw.

Mainstream 2023 archaeology (the Science collaboration that included Collin) is more cautious: it shows Indigenous horse cultures flourishing in the West by the early 1600s, earlier than many textbooks allowed, while still tracing those animals to Spanish-introduced stock.

Honest writing holds both:

• The Collin / Drake claim is the heritage argument this herd is managed under
• The genetic last-word is not settled in a press release

What is not in dispute is that this is one of the last Genetically INTACT, NATURALLY BREEDING, UN-DAMAGED-BY-ROUNDUP herds left in California.
That is why it matters more than a bill that bans a plant that does not exist.
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WHAT THIS HERD DOES THAT A STATUTE CANNOT
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On the ranch and the adjoining wilderness these horses graze 1-HOUR FINE FUELS — the grass and brush that carry fire into timber.

That is work, not scenery.

It is the same logic Elko County, NV put in a letter to the Public Forum: a horse on the right landscape is cheaper than a horse in a Midwestern pen and more useful than a horse in a press conference.

Hornbrook is a small border town. People come for the Klamath country, the lakes, the horses on the skyline.

Local advocates put the tourism value of that living herd above $200,000 a year to the Hornbrook area — gas, rooms, guides, the simple fact that visitors still want to see wild horses that were not just loaded out.

Whether an economist would audit that figure to the dollar is beside the point. The point is the herd is an asset ON THE LAND, not a liability to be gathered because a management plan wrote down a number (refers to BLM/USFS 'AML' which is the arbitrary management level).
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THE POLITICAL CONTRAST, IN ONE LINE
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Newsom can sign a slaughter bill that California voters already passed in spirit in 1998, ignore the export and feed loopholes the SAFE Act still leaves, and stay quiet while 461 Mono Lake horses leave the basin — then ask to be remembered as the horse governor.

That is not conservation. That is a cut for the next campaign.

The cultural-heritage herd at Wild Horse Ranch is the opposite of that performance.

It is still free.
It is still breeding and living under natural selection.
It is still cutting fine fuels.
It is still drawing people to Hornbrook.
It is still standing as the argument Yvette Running Horse Collin and

Drake’s log put on the table:
These animals are not a 20th-century feral accident. They are a California treasure that the state could protect by leaving them on the mountain and shutting the REAL pipeline — the trailer out of state — instead of announcing a ban on a slaughterhouse that is already gone.

🔗 wildhorsefirebrigade.org
SHARE this so a press-release “ban” is not the only story California hears.
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REFERENCES
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1998 California Proposition 6 — Prohibition on slaughter of horses and sale of horsemeat for human consumption (Penal Code §§ 598c–598d). Archived ballot / statute summary: https://web.archive.org/web/20251117183710/https://en.wikipedia.org/wiki/1998_California_Proposition_6
Return to Freedom. “California governor signs anti-horse slaughter bill” (AB 128, signed Oct. 12, 2019 — auction branding/records; Prop. 6 already banned slaughter for human consumption). https://returntofreedom.org/california-governor-signs-anti-horse-slaughter-bill/
LegalClarity. “Can You Buy Horse Meat in the US? Federal and State Rules” (no USDA-inspected horse slaughter plants; inspection-funding rider since FY2006; plants closed 2007; SAFE Act framed as human-consumption ban). https://legalclarity.org/can-you-legally-buy-horse-meat-in-the-us/
ASPCA. “Animal Welfare Groups Celebrate Committee Passage of the Van Drew-Titus Amendment to Ban Horse Slaughter” (May 22, 2026 — export to foreign plants still the live pipeline; SAFE Act H.R.1661 / S.775 aimed at slaughter for human consumption). https://www.aspca.org/about-us/press-releases/animal-welfare-groups-celebrate-committee-passage-van-drew-titus-amendment
Horses for Life Foundation. “History of Horse Slaughter” (SAFE / Safeguard American Food Exports language: U.S. soil and export for human consumption). https://www.horsesforlife.org/history-of-horse-slaughter.html
The New York Times. “Under Trump, Protected Wild Horses Are Going to Slaughter” (Aug. 20, 2026 — cheap BLM sales, loss of 1971 Act status, suspected slaughter trail). https://www.nytimes.com/2026/08/20/us/trump-wild-horses-legal-loophole-slaughter.html
Snopes. “Is Trump admin allowing sale of protected wild horses to slaughterhouses? What we know” (updated Aug. 31, 2026). https://www.snopes.com/news/2026/08/21/trump-selling-wild-horses-slaughter/
U.S. Forest Service — Inyo National Forest. “Wild Horses” / 2026 gather daily numbers (July 8–10, 2026: 461 gathered at Montgomery Pass; 3 chronic deaths listed July 9; destination adoption/sale pipeline). https://www.fs.usda.gov/r05/inyo/natural-resources/range/wild-horses
San Francisco Chronicle. Kurtis Alexander. “Feds round up hundreds of wild horses by California’s Mono Lake” (July 15, 2026 — 461 captured; herd estimated ~700 in 2024; AML 138–230). https://www.sfchronicle.com/california/article/horse-mono-lake-basin-22343897.php
San Francisco Chronicle. Kurtis Alexander. “Federal officials to remove hundreds of wild horses near Mono Lake” (June 25, 2026 — USFS/BLM plan; helicopters and trucks; off-site pens / adoption). https://www.sfchronicle.com/california/article/mono-lake-horses-22318713.php
Los Angeles Times. Lila Seidman. “450 wild horses face relocation in Eastern Sierra, reigniting a clash” (June 30, 2026 — tribal and advocate opposition; gather set July 8). https://www.latimes.com/environment/story/2026-06-30/450-wild-horses-face-relocation-eastern-sierra-reigniting-clash
Bureau of Land Management. “BLM and USFS approve plan to remove wild horses near Mono Lake” (March 7, 2025 — 300–500 authorized; horses outside Montgomery Pass WHT; FS corrals then adoption/sale). https://www.blm.gov/press-release/blm-and-usfs-approve-plan-remove-wild-horses-near-mono-lake
Las Vegas Sun. “Tribe’s lawsuit seeks to block federal agencies from removing wild horses near California-Nevada border” (July 4, 2026 — Utu Utu Gwaitu Paiute; cultural-relative claim). https://lasvegassun.com/news/2026/jul/04/tribes-lawsuit-seeks-to-block-federal-agencies-fro/
Suzanne Roy. “Heartbreak At Mono Lake Part 2: The Montgomery Pass Wild Horse Roundup Begins” (July 7–8, 2026 — TRO denied; gather starts). https://suzanneroy.substack.com/p/heartbreak-at-mono-lake-part-2-the
Bighorn County News. “‘They’re ra**ng the land.’ Massive Wild Horse Round Up Proceeds on Ancestral Native Lands” (July 21–22, 2026 — Ronda Kauk / Indigenous Wild Horse Society; contractor C.D. Warner Livestock; Modoc corrals). https://www.bighorncountynews.com/news/they-re-ra**ng-the-land-massive-wild-horse-round-up-proceeds-on-ancestral-native-lands/article_b6e30132-512d-4605-bb35-145b6e393f4e.html
Yvette Running Horse Collin. The relationship between the indigenous peoples of the Americas and the horse: deconstructing a Eurocentric myth. Ph.D. dissertation, University of Alaska Fairbanks, 2017. Internet Archive: https://archive.org/details/collin-y-2017/mode/1up
Sierra Nevada Ally. “The American Heritage of Wild Horses” (April 4, 2022 — quotes Collin on Drake, 1579, horses observed on the Northern California / Southern Oregon coast). https://sierranevadaally.org/2022/04/04/the-american-heritage-of-wild-horses/
Science / ScienceDaily. “New, exhaustive study probes hidden history of horses in the American West” (March 30–31, 2023 — Taylor, Orlando, Running Horse Collin et al.; Indigenous horse cultures in the West by early 1600s; Spanish-introduced stock still the genetic frame of that paper). https://www.sciencedaily.com/releases/2023/03/230330172129.htm
Science News. “Native Americans corralled Spanish horses decades before Europeans arrived” (March 30, 2023 — same collaboration). https://www.sciencenews.org/article/native-americans-spanish-horses
Wild Horse Fire Brigade — organization and ranch context: https://www.wildhorsefirebrigade.org
Siskiyou County recognition of WHFB / Simpson-Gough cultural-heritage herd (2022) — county record and contemporaneous coverage as cited in WHFB materials and CapRadio field reporting on the Soda Mountain / Hornbrook herd.

Joel A. Freeman Senator Brian Dahle Congressman Tom McClintock Nancy Mace The Epoch Times The Mustang Project Secretary Kennedy Help Alberta Wildies Society Tirza Eden Circle Ranch
NEWSMAX

08/31/2026

🐎 11,000 LOYAL VOICES vs. 636,000 QUIET FOLLOWS
Some groups measure success by how big the follower count looks on a screen.
We measure it by who actually shows up.
American Wild Horse Conservation’s page sits near 636,000 followers.

Wild Horse Fire Brigade sits near 11,100.
On paper, that looks like a mismatch.
On the ground, it isn’t.

🔥 WHAT THE NUMBERS ACTUALLY SAY
AWHC’s giant list is built the way national animal brands build lists: polished reels, paid reach, billboards, action alerts. Their own materials describe advertising and “adding tens of thousands of supporters.” That grows a number. It does not grow a herd of people who stay.
Look at an ordinary AWHC staff post: often under 200 reactions on more than 600,000 follows. That is a whisper.
Look at WHFB when a post hits:

2,300 reactions and 235 comments on 11,100 followers.

774 reactions on a field video shot with the horses.

475 shares on a single legislative post.
That is not a bought crowd. That is people who read, argue, donate hay, and hit Share.
Per follower, this page outperforms the giant page. That’s loyalty. That’s not inventory.

🌄 WHY THIS PAGE IS DIFFERENT
We are not a studio in a city posting stock mustang footage.
Our founder lives with the horses.

Named bands. Named foals. Named stallions who were supposed to be euthanized and lived.

Twelve years on the mountain. Fire-line research. Rewilding horses that were one sale away from a kill buyer. Natural selection left intact—no PZP, no GonaCon, no “manage them until the gene pool is gone.”
You don’t follow this page because an ad followed you around the internet.

You follow it because you already knew the truth and you wanted a place that would say it.

⚖️ SIZE IS NOT THE SAME AS STRENGTH
A 636,000-follower page can put a graphic in front of casual horse-lovers in an afternoon. That has a use.
It cannot replace:

people who will share a 7-minute science video
people who mail a check to Yreka for alfalfa
people who understand that babies = future, and sterilization sold as “conservation” is not conservation

Big pages need a huge crowd to get the same raw reactions this small page gets from a committed core.

That’s the difference between a broadcast list and a brigade.

❤️ TO OUR 11,100
You are not a vanity metric.
You comment with names. You share into horse groups. You stay when the caption is long and the subject is genetics, fire, and the 1971 Act—not a 15-second sad-music reel.
Keep sharing.

Keep telling the people still staring at the giant follower counts: look at who actually speaks.
If you want wild horses wild—family bands, bachelor competition, enough animals for evolutionary-scale genetics, grazing fire fuels instead of dying in holding—you’re already in the right place.
🔗 wildhorsefirebrigade.org

Donate / why it matters: wildhorsefirebrigade.org/why-donate

SHARE this so the quiet majority on the big pages finally sees the difference.

Tirza Eden Help Alberta Wildies Society

08/31/2026

CRITICAL *SHARE* - REACHING TRUMP WITH TRUTHFUL INFORMATION ABOUT WILD HORSES - SHARE TO STOP ROUNDUPS!

President Trump sponsors and reads EPOCH TIMES at his Truth Social Page.

EVERYONE SHARE this IMPORTANT ARTICLE about Wild Horses, and let's get past the ranchers who are glued to the President's ear, and get the President the Truth!

IMPORTANT INSTRUCTIONS! WHEN YOU Share, don't just share on your own feed, SHARE into ALL the other Horse and Animal Facebook Groups! And use the hashtags you see below here.

Suggested Note to President Trump.

"Dear President Trump - You are being misinformed! Please Read this researched Epoch Times article about how American Wild Horses can be managed without killing or sterilizing them into oblivion! And how we can save tens of thousands of American lives from deadly wildfire smoke by implementing the proven 'Wild Horse Fire Brigade' Plan, which benefits ALL public lands stakeholders."

https://www.theepochtimes.com/article/can-wild-horses-help-prevent-wildfires-5781613?utm_source=atcn&utm_content=hw1016multicomp&utm_medium=email&utm_campaign=atc&utm_term=hws1comp

President Donald J. Trump The Epoch Times truth The Trump Organization Donald J. Trump Fox News Editors Investigative Reporters & Editors Help Alberta Wildies Society Secretary Kennedy

Horses don’t tear out the roots of plants while grazing, unlike cattle and sheep, says Simpson.

08/30/2026

CRITICAL INFO! SHARE!! 🐴 WHY & HOW THE BLM IS MISMANAGING AMERICA’S REMAINING WILD HORSES

By: William Simpson II

A public-trust failure — genetics, bachelor bands, and the 1971 Act
👇 Read the sections. This is the record.
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THE POINT

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Congress did not ask the Bureau of Land Management or the U.S. Forest Service to keep a scenic remnant of wild horses on the range.

It declared them “living symbols of the historic and pioneer spirit of the West,” said they “contribute to the diversity of life forms within the Nation,” and set a policy that they “shall be protected from capture, branding, harassment, or death” and treated, where they were then found, “as an integral part of the natural system of the public lands.”

That language is not a press release. It is 16 U.S.C. § 1331.

Fifty-five years later, the agencies still administer that statute by carving the West into small, isolated Herd Management Areas, setting Appropriate Management Levels far below the sizes conservation genetics requires for long-term evolution, removing animals without first treating each herd as a genetic unit that must be measured and conserved, and then suppressing reproduction in the animals left behind.

The result is not “thriving natural ecological balance.” It is a public herd managed like a set of short-term livestock units — except the product being consumed is irreplaceable genetic diversity.

This is mismanagement of a public trust asset. The agencies know the numbers. They wrote some of them into their own handbook.
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WHAT THE 1971 LAW ACTUALLY REQUIRED

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The Wild Free-Roaming Horses and Burros Act is short and blunt. Horses and burros on public land were disappearing. Congress put them under federal protection and directed the Secretaries to manage them as components of the public lands, at the “minimal feasible level,” to achieve a thriving natural ecological balance.
Management was never supposed to mean converting free-roaming herds into a warehouse-and-vaccine program.

The later amendments that authorized removal of “excess” animals and adoption did not repeal the findings in § 1331. They sit on top of a statute whose first sentence is about protecting living symbols that contribute to biological diversity.

A program that systematically shrinks breeding populations below scientifically defensible genetic minima is not implementing that sentence. It is working around it.

Source: 16 U.S.C. § 1331 — https://www.law.cornell.edu/uscode/text/16/1331

Public Law 92-195, 85 Stat. 649 —https://www.govinfo.gov/content/pkg/STATUTE-85/pdf/STATUTE-85-Pg649.pdf
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WHAT CONSERVATION GENETICS ACTUALLY REQUIRES

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Population genetics does not care about political terms or four-year budget cycles. It cares about EFFECTIVE POPULATION SIZE (Ne) — the number of animals that actually pass genes to the next generation — not the head-count on an aerial survey.

The classic Franklin “50/500” rule said roughly Ne ≥ 50 to limit short-term inbreeding and Ne ≥ 500 to retain evolutionary potential. That rule is outdated.

Frankham, Bradshaw, and Brook reviewed the evidence and concluded:
• Ne ≥ 50 is NOT enough to prevent serious inbreeding depression in the wild over even five generations

• Ne ≥ 100 is the better short-term floor

• For retaining evolutionary potential “in perpetuity,” Ne ≥ 500 is too low

• The better approximation is Ne ≥ 1,000

• Genetically derived IUCN Red List population thresholds should be doubled

Census size (N) is always larger than Ne. Meta-analyses often put Ne/N near 0.1–0.2 for wild populations.
For wild horses under a natural age structure, USGS work on the Pryor Mountain herd found Ne only about 27–36 percent of census N. That means:

• Ne = 100 (short-term floor) implies on the order of 280–370 horses in that herd structure

• Ne = 1,000 (long-term evolutionary floor) implies on the order of 2,800–3,700 horses — or MORE if s*x ratio, harem structure, or fertility control drive Ne/N down

Singer and Zeigenfuss also found that herds managed below a target of about 500 horses faced a measurable risk of losing more than 90 percent of selectively neutral variation over 200 years. Hedrick’s related work on large ungulates pointed toward census sizes of 2,000–3,000 if the goal is to avoid inbreeding depression without constant human tinkering.

Those figures are the scientific meaning of “genetic diversity on an evolutionary scale.” They are not a promise that every HMA can hold 2,500 horses. They are a warning: if you lock a herd at 50 or 120 animals and then sterilize a fraction of the breeders, you are not conserving a wild population. You are running a slow genetic bottleneck and calling it management.

A common shorthand — “IUCN says 2,500 horses” — compresses that math (Ne ≈ 1,000 and a generous Ne/N). IUCN’s formal tools are the Red List criteria and conservation-genetics guidance, not a standalone “2,500 mustangs” regulation. The underlying science still condemns BLM’s default herd sizes.

Frankham et al. 2014: https://doi.org/10.1016/j.biocon.2013.12.036

PDF:https://conservationbytes.com/wp-content/uploads/2016/06/frankham-et-al-2014-biol-conserv.pdf

Singer & Zeigenfuss (Pryor Ne):https://www.govinfo.gov/content/pkg/GOVPUB-I53-PURL-gpo123520/pdf/GOVPUB-I53-PURL-gpo123520.pdf
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THE MISSING ENGINE: BACHELOR BANDS AND NATURAL SELECTION

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Wild horse genetics are not a studbook on a clipboard. They are produced by a social system that has been selecting horses on open ground for generations.

A functioning wild herd is not “X mares + a few stallions.” It is:
• Family bands — a stallion (sometimes more than one), mares, and their young

• Bachelor bands — the surplus males who were pushed out, lost a challenge, or have not yet won a band

• Constant testing — young and prime stallions contesting the band stallion for breeding rights

The band stallion is not appointed by an agency. He is the horse who can hold the mares against other stallions. That contest is natural selection in real time.

The winners tend to be the animals with the stamina, conformation, intelligence, social skill, and soundness to keep a band on hard country. Their offspring inherit those traits. The bachelors who fail this year come back next year. That pressure is how a wild herd stays a wild herd instead of a fenced remnant.
THIS ONLY WORKS IF THERE ARE ENOUGH BACHELORS.

A meaningful number of competing studs is not a luxury. It is the mechanism.

• Too few bachelors → almost no challenge to the incumbent stallion → weaker selection → one or two males can dominate breeding for years

• Too few bachelors → when the band stallion is old, injured, or removed in a gather, there is no deep bench of tested replacements

• Too few prime-age males left on the range after a gather → the “winners” are whoever the helicopter left, not whoever the horses would have chosen

Harem polygyny already lowers Ne, because a minority of males sire most of the foals. That is why USGS found Ne only 27–36% of head-count on the Pryor herd — and why Ne ROSE toward 36% of N when management left more males on the range and average harem size got smaller. More competing males = more equal shot at breeding = higher effective population size.

Small AMLs do the opposite. A herd capped at 50, 80, or 120 animals cannot field family bands AND a real bachelor population.

The surplus males are the first thing a “get to low AML” gather deletes. Fertility control then takes mares out of the breeding pool. What remains is a thin social skeleton: a handful of bands, almost no contest, and a gene pool no longer being sorted by the horses themselves.

That is not “minimal feasible management.” It is the removal of the selection system the 1971 Act said was part of the natural system of the public lands.

If the herd is too small to support competing bachelor bands, it is too small to be managed as a wild horse herd. Period.
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WHAT BLM WROTE IN ITS OWN HANDBOOK — AND THEN IGNORED

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BLM Handbook H-4700-1, Wild Horses and Burros Management Handbook (2010), is the agency’s own rulebook. Section 4.4.6.3 states:

“A minimum population size of 50 effective breeding animals (i.e., a total population size of about 150–200 animals) is currently recommended to maintain an acceptable level of genetic diversity within reproducing WH&B populations (Cothran, 2009). This number is required to keep the rate of loss of genetic variation at 1 percent per generation.”

It adds that interchange between adjacent HMAs “may reduce the need” to hold 150–200 in every unit.
Read that sentence carefully.

FIRST: 1 percent per generation is not zero. It is a managed decline. A wild-horse generation is on the order of a decade. Compounded across the 50-year life of the Act, that is not “evolutionary-scale” conservation. It is an authorized drip of diversity out of the public herd.

SECOND: 150–200 is already only the MINIMUM tied to Ne ≈ 50 — the old livestock-style floor that Frankham and colleagues later said is inadequate in the wild. BLM adopted the weaker standard, then failed to meet even that.

THIRD: even 150–200 as a total head-count is not 150–200 breeding equals. After you subtract foals, yearlings, treated mares, and the need for a bachelor pool, the number of animals actually competing and reproducing is far smaller. The handbook number was never a bachelor-band plan. It was a spreadsheet minimum.

FOURTH: the handbook’s “if” clauses — genetic testing, movement of animals, no collapse of the breeding pool — are not decorations. They are the only reason a 150-horse herd is even arguable.

BLM Instruction Memorandum 2009-062 is explicit that samples need not be taken at every gather unless a herd is already a known problem, and that reassessment is contemplated every other gather (on the order of 6–10 years), not as an annual, complete studbook of every animal.

That is not the intensive pedigree-and-rescue regime that would be required to keep a tiny isolated herd genetically viable. It is periodic snapshot genetics after the fact.

Handbook H-4700-1:https://www.blm.gov/sites/blm.gov/files/uploads/Media_Library_BLM_Policy_H-4700-1.pdf

IM 2009-062: https://www.blm.gov/policy/im-2009-062
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COTHRAN’S DATA AND THE NAS REVIEW

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E. Gus Cothran’s long BLM-contracted work is the source of the 150–200 figure. He has also been clear that herds held under about 100–120 adults can lose variation quickly, and that a non-trivial share of tested herds already sat at or near critical heterozygosity.

The National Research Council’s 2013 review of Cothran’s HMA dataset found observed heterozygosity ranging from 0.497 to 0.815, with the lowest herds in the same range as endangered Sorraia and small Colonial Spanish populations. The handbook’s own “critical” DNA threshold was about 0.66. Several HMAs were already under it. Many more sat between the mean and the floor.
Cothran’s later synthesis of nearly 8,500 horses from 235 sampling events over more than 20 years found plenty of standing diversity ACROSS the West — and warned that herd sizes are generally low enough that loss in isolated units remains the risk.

Diversity “so far” is not a license to keep grinding AMLs downward.
NAS 2013: https://nap.nationalacademies.org/catalog/13511/using-science-to-improve-the-blm-wild-horse-and-burro-program

Cothran et al. 2024: https://doi.org/10.1101/2024.01.28.577652
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HOW CURRENT MANAGEMENT SHRINKS THE BREEDING POPULATION

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1️⃣ AMLs THAT TREAT 150–200 AS A CEILING, NOT A FLOOR
BLM manages 175 HMAs. National high-end AML is about 25,592 horses and burros.

On-range estimate as of March 1, 2026: 85,466 (61,523 horses and 23,943 burros).

Off-range holding as of May 2026: 58,025.

Forest Service territories add several thousand more animals against an AML near 3,500.

The political fight is usually “too many horses on the range.” The genetic fight is different: the official target for most individual herds is too small to be a long-term wild population.

USGS noted years ago that a large majority of AMLs were set at 150 or less, and that many units were indicated below 50. That pattern has not been replaced by a metapopulation design in which gene flow is planned, measured, and guaranteed.

A herd with an AML of 7–10 animals — as in documented Nevada examples — is not a conservation population. It is a placeholder. It cannot sustain family bands and a competing bachelor cohort. Natural selection has nowhere to work.

BLM program data: https://www.blm.gov/programs/wild-horse-and-burro/about-the-program/program-data

2026 estimates PDF:https://www.blm.gov/sites/default/files/docs/2026-03/2026-Wild-Horse-and-Burro-Population-Estimates.pdf

CRS costs overview: https://www.congress.gov/crs-product/IF11060

2️⃣ GATHERS THAT REMOVE GENES — AND STUDS — BEFORE THEY ARE INVENTORIED

Gathers are the operational core of the program. Animals are captured, many are shipped to corrals and long-term pastures, and adopted or sold animals are branded.
The 1971 findings specifically listed protection from CAPTURE and BRANDING. Amendments authorized removal of excess animals; they did not make genetic inventory optional if the agency still claims to be maintaining herd identity.

BLM’s own sampling policy does NOT require a full genetic survey of every horse before a gather. Rare alleles are the first to vanish when a random or operationally convenient subset is removed.
Gathers also punch a hole in the bachelor population. Prime-age stallions and young challengers are easy to run and easy to ship. When they leave, the contest for band stallion leaves with them. The horses that remain did not out-compete those males. A helicopter did.

Once those animals are off-range, their genes are no longer part of the free-roaming herd the statute describes. Off-range holding is not a gene bank with a studbook and a reintroduction plan. It is a fiscal warehouse. In FY2024, on the order of two-thirds of program spending went to holding, not to on-range habitat or genetic conservation.

3️⃣ FERTILITY CONTROL THAT CUTS Ne WHILE THE HEAD-COUNT LOOKS “MANAGED”

PZP (ZonaStat-H, PZP-22) and GonaCon-Equine are now standard tools. BLM reports hundreds of treatments a year and intends to increase GonaCon use. Two doses of GonaCon can suppress fertility for multiple years; boosters can drive foaling near zero in treated mares for several seasons. That is the point.

The National Research Council was equally clear about the genetic cost:
“Dramatically limiting individual fertility will reduce a population’s size; it will also reduce its genetic effective population size.”
Removing females from the breeding pool, even temporarily, increases variance in family size and lowers Ne. That accelerates drift.

It also warps stallion competition. If a large share of mares cannot conceive, band stallions are defending reproductive dead ends, bachelor challenges have less genetic consequence, and the “winners” of those fights are not contributing the next generation at the rate a wild system requires.

The same NAS chapter said single HMAs should not be treated as isolated genetic populations — and that fertility control plus small AMLs is a combination that requires deliberate metapopulation management, not hope.

PZP and GonaCon are not “sterilization” in every case. Some treatments reverse. Some do not on the schedule managers assume. GonaCon efficacy varies by individual; there is now evidence of a major locus on ECA18 associated with duration of infertility. Treating the herd as if every mare is a standard dose-response unit is another way of saying the agency is not managing a pedigree. It is applying a pesticide label to a public wildlife herd.

BLM literature reviews argue that in connected HMAs, treating only a subset of mares will not cause “irreparable” loss — UNLESS starting diversity is already low, the herd is at or under about 100, growth is slow, and a very large fraction of females are taken out of breeding. That exception is not a rare edge case. It is a description of many AMLs plus aggressive vaccine coverage.

BLM fertility control page: https://www.blm.gov/programs/wild-horse-and-burro/herd-management/maintaining-range-and-herd-health

Baker et al. 2018 (GonaCon): https://pmc.ncbi.nlm.nih.gov/articles/PMC6067756/

NAS Ch. 5: https://nap.nationalacademies.org/read/13511/chapter/7
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THE STATUTORY CONTRADICTION

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Put the pieces next to the statute.
1971 POLICY → ON-THE-GROUND PROGRAM
• Protect from capture, branding, harassment, death

→ Helicopter gathers, branding of removed animals, long-term holding
• Integral part of the natural system where found

→ Isolated HMAs, zero-AML herd areas, off-range exile, bachelor bands gutted
• Contribute to diversity of life forms

→ AMLs built around Ne ≈ 50 and 1% loss per generation
• Minimal feasible management

→ Repeated gathers, vaccines, and a holding system that dominates the budget
• Natural system of selection by competing stallions

→ Too few bachelors left to make the contest real
BLM’s public narrative is that horses have “no natural predators” and will double every four to five years unless removed or vaccinated. That claim is used to justify AMLs that make genetic rescue structurally necessary — and then the rescue (complete testing, accurate studbooks, planned introduction of outlier genetics, a breeding population that is not being contracepted, AND enough bachelor stallions to keep selection honest) is NOT done at the intensity the small-herd model requires.

That is the core indictment.

The agencies adopted a small-herd model that is only scientifically defensible if a list of intensive conditions is met every generation. They meet the small-herd part. They do not meet the conditions. They then add fertility control, which further reduces Ne. They remove the competing studs that would have done nature’s sorting. They call the outcome “herd health.”

It is not criminal in the sense of a signed indictment. It is worse in one respect: it is written down.

The handbook admits the 1-percent-per-generation loss. The NAS report warned that fertility control cuts effective size. Cothran’s reports flagged herds already near the heterozygosity floor. USGS showed that more males and smaller harems raise Ne. Program data show tens of thousands of animals living out their lives off the land the Act said was theirs.

The damage is not a surprise. It is a choice.
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WHAT WOULD ACTUALLY MATCH THE ACT AND THE SCIENCE

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A program that took § 1331, conservation genetics, AND wild horse social structure seriously would invert the current defaults:

STOP TREATING 150–200 AS SUCCESS.
That number is a short-term drift ceiling tied to an obsolete Ne = 50. Evolutionary conservation needs connected complexes whose combined Ne is in the hundreds to thousands.

DESIGN METAPOPULATIONS ON PURPOSE.
NAS already said not to treat each HMA as an island. Gene flow must be mapped, not assumed.

INVENTORY BEFORE YOU GATHER.
If a removal will permanently extract animals from a small herd, the genetic composition of what stays and what leaves has to be known first. Rare lines should not be deleted by accident. Neither should the bachelor cohort that supplies the next band stallions.

LEAVE ENOUGH BACHELORS FOR THE CONTEST TO BE REAL.
A wild herd without a meaningful number of competing studs is not being “naturally selected.” It is being administratively frozen. Head-count targets that cannot support family bands plus bachelor bands are not wild-horse AMLs. They are extinction-in-slow-motion.

DO NOT CONTRACEPT A HERD DOWN TO A NON-BREEDING REMNANT.
If vaccines are used, the remaining breeding core still has to meet a real Ne target — including mares who can actually foal and stallions who can actually win them.

COUNT OFF-RANGE ANIMALS AS A CONSERVATION FAILURE, NOT A SOLUTION.
Holding that consumes most of the budget while on-range AMLs stay genetically inadequate is the opposite of “minimal feasible management.”

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THE LINE

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Wild horses are not a livestock surplus and they are not a decorative leftover.

They are a public, legally protected lineage whose value is the free-roaming, reproducing herd — bands on the land, bachelors on the ridge, and the next generation sired by the stallions who earned it.

Not a photograph.

Not a freeze brand.

Not a vaccine tally.

Managing that lineage for the convenience of the next gather schedule, instead of for the next thousand years of evolution, is how an iconic public treasure is reduced to fragments.

The agencies have the papers.

They have the statute.

They have the head-counts.

They have the social biology.

What they have not had is a genetic standard — and a bachelor-band standard — equal to the animal Congress said it was saving.

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REFERENCES

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16 U.S.C. § 1331 — https://www.law.cornell.edu/uscode/text/16/1331
Public Law 92-195, 85 Stat. 649 (Dec. 15, 1971) —https://www.govinfo.gov/content/pkg/STATUTE-85/pdf/STATUTE-85-Pg649.pdf
BLM Handbook H-4700-1 (2010), § 4.4.6 —https://www.blm.gov/sites/blm.gov/files/uploads/Media_Library_BLM_Policy_H-4700-1.pdf
BLM IM 2009-062, Genetic Baseline Sampling — https://www.blm.gov/policy/im-2009-062
Frankham, Bradshaw & Brook, Biological Conservation 170 (2014): 56–63 — https://doi.org/10.1016/j.biocon.2013.12.036
National Research Council, Using Science to Improve the BLM Wild Horse and Burro Program (2013) — https://nap.nationalacademies.org/catalog/13511/using-science-to-improve-the-blm-wild-horse-and-burro-program
Singer & Zeigenfuss, Genetic Effective Population Size in the Pryor Mountain Wild Horse Herd (USGS) —https://www.govinfo.gov/content/pkg/GOVPUB-I53-PURL-gpo123520/pdf/GOVPUB-I53-PURL-gpo123520.pdf
Cothran et al., Genetic Dynamics of Mustang and Feral Horse Populations (2024) — https://doi.org/10.1101/2024.01.28.577652
BLM Program Data (on-range / off-range) — https://www.blm.gov/programs/wild-horse-and-burro/about-the-program/program-data
BLM 2026 Population Estimates —https://www.blm.gov/sites/default/files/docs/2026-03/2026-Wild-Horse-and-Burro-Population-Estimates.pdf
CRS, Wild Horse and Burro Management: Overview of Costs (IF11060) — https://www.congress.gov/crs-product/IF11060
BLM, Maintaining Range and Herd Health (PZP / GonaCon) — https://www.blm.gov/programs/wild-horse-and-burro/herd-management/maintaining-range-and-herd-health
Baker et al., GonaCon-Equine in free-ranging horses, PLOS ONE (2018) — https://pmc.ncbi.nlm.nih.gov/articles/PMC6067756/
NAS 2013, Chapter 5 (fertility control and Ne) — https://nap.nationalacademies.org/read/13511/chapter/7
Höglund et al., Conservation genetics as a management tool, PNAS (2021) — https://www.pnas.org/doi/10.1073/pnas.2105076119
Hedrick / Gross et al. on large-ungulate herd size (2,000–3,000) — https://www.researchgate.net/publication/309035029_Conservation_guidelines_for_population_genetic_and_disease_management
Fages et al., Tracking Five Millennia of Horse Management, Cell (2019) — https://www.cell.com/cell/fulltext/S0092-8674(19)30384-8
Nixon signing statement, Dec. 17, 1971 — https://www.presidency.ucsb.edu/documents/statement-signing-bill-protect-wild-horses-and-burros

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SHARE if the bachelor bands still matter.

The winners of those fights are how wild horses stay wild.

Nancy Mace Bruce Westerman Congressman Steve Cohen Juan Ciscomani Congressman Bruce Westerman Help Alberta Wildies Society The Nature Conservancy Secretary Kennedy Redwood News

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