First American Cattle: The Corriente

First Ashore

Ancient DNA settled the groundwork three years ago, and the authors stated it without hedging:

“Before the arrival of Europeans, domestic cattle did not exist in the Americas.”

(N. Delsol and colleagues, Ancient DNA confirms diverse origins of early post-Columbian cattle in the Americas, Scientific Reports 13, 1 August 2023)

Not scarce. Not regional. None. Two continents, thirty million square kilometres, and not one cow — the bison is a different animal down a different branch, and no domestic bovine had ever stood on this ground.

So every bovine animal alive from Alberta to Tierra del Fuego descends from stock somebody carried across an ocean. The Angus came in the nineteenth century. The Hereford likewise. The Brahman's founding imports are a nineteenth- and twentieth-century story, and a famously small one. Every American composite — Brangus, Beefmaster, Santa Gertrudis — was assembled inside the last hundred years.

The first ones ashore were Spanish, landed as early as 1493, on the second voyage: hardy animals picked for their odds of surviving the crossing, put down in the West Indies and pushed outward from there into Florida, Central and South America, and eventually the whole of northern Mexico and the American Southwest.

The same study read the bones. Cattle excavated at Puerto Real in what is now Haiti, dated between 1503 and 1534, and from sites in Mexico City and Mérida — twenty-one mitochondrial genomes in all.

Their descendants, born in the New World and shaped there, are called criollo. And that word is worth pinning down now, because it is the source of most of the confusion about these cattle.

The criollo are the founding cattle of the Americas. Everything else here arrived later.

And the Corriente is the part of that founding population that is still doing a job in the United States — not in a conservation paddock, not on a heritage farm, but in numbers, commercially, every weekend. Which is a stranger fate than it sounds, and the rest of this piece is about how it happened.

Nobody Designed Them

Being first would be a trivia answer on its own. What makes it matter is what was done with those cattle over the five centuries that followed, which was: nothing. Nobody had a plan for them.

Their descendants were used for whatever a person needed on a given day — milk, meat, or pulling something — and otherwise left alone across a range of country so wide it barely makes sense as one category. Tropical coast. High desert. Sierra. Swamp. There was no registry, no herdbook, no index, no imported bull brought in to fix a fault, and no specification of what a good one looked like. For roughly four hundred years the only thing selecting these cattle was the country itself: drought, distance to water, heat, thin feed, screwworm, and whatever ate the ones that could not keep up.

They are the only cattle on this continent that were never designed. Everything they are, something other than a human being decided.

By the early 1900s imported European cattle had very nearly finished the job of replacing them. What survived did so in the places nobody had got around to improving yet, and it survived, in the words of the Oklahoma State breed archive, with minimal human intervention. Which is another way of saying that the thing that saved them was being overlooked.

Even the name says it. In everyday Mexican Spanish, corriente is not a compliment. It means ordinary, common, run-of-the-mill — the cheap option, the one without a label. Breed pages sometimes gloss it as “running,” which fits an animal bought to be chased, but the plainer sense is the one that stuck at the border: these were the ordinary cattle. The ones not worth naming.

What Four Hundred Years Without a Plan Actually Produced

Here is where this stops being a romantic story and starts being a measurable one.

Since the mid-2000s the United States Department of Agriculture has been running criollo cattle against conventional cattle on desert rangeland and putting satellite collars on both. The work is done at the Jornada Experimental Range in New Mexico and at Rancho Experimental Teseachi in Chihuahua, and the criollo line used is the Rarámuri, brought out of the Copper Canyon country of northern Mexico. The comparison animal is an Angus × Hereford cross — which is to say, the cow most of the American West actually runs.

They are not close.

(A. F. Cibils and colleagues, Foraging behavior of Rarámuri Criollo vs. commercial crossbred cows on rangelands of the southwestern United States and northern Mexico, Journal of Arid Environments, from spring and autumn field seasons at both sites)

Read that column again, because the shape of it is the whole argument. An animal at sixty per cent of the bodyweight walks a third further, gets a kilometre past where the bigger cow turns around, works ground a quarter steeper, covers more than twice the landscape — and spends less of the day grazing to do it.

On good country none of that matters. On good country, feed is where the cow is standing. It matters enormously on the eighty per cent of the American West where the feed is thin, patchy and a long way from the tank, because on that country the limiting factor is not how much grass exists. It is how much of it a cow is willing to walk to.

A conventional cow grazes a doughnut around water and hammers it. Everything beyond her range goes ungrazed while the ground she can reach gets flogged. That is the mechanism behind a great deal of what gets called overgrazing, and it is not really a stocking-rate problem — it is a distribution problem. An animal that will go out to four kilometres and climb a thirty-per-cent slope is grazing a different ranch than the one next door, on the same deed.

The economics follow. A model of the two herds in the Chihuahuan Desert found lower operating and overhead costs for the criollo across the board, with supplemental feed the largest single saving, and — because they are smaller and spread out better — the same ground carried 226 animal-unit-years of criollo where it carried 150 of the crossbred. At mean prices from 2009 to 2013 both herds lost money, the criollo losing about $13,300 a year against the crossbred's $16,500. In the high-price year of 2014 the criollo herd returned about $39,000 against the crossbred's $28,000.

(G. L. Torell and colleagues, Economics of Rarámuri Criollo and British crossbred cattle production in the Chihuahuan desert, Journal of Arid Environments 211, 2023)

And now the number that cuts the other way, which belongs here rather than at the end.

When desert grass-fed steers of all three types were taken through to slaughter, the crossbreds finished heavier. Carcass quality and average daily gain did not differ between the criollo and the crossbreds — all three were market-ready at thirty months off grass. So the honest summary is not that the old animal beats the modern one. It is that on this country it produces a smaller carcass of the same quality, at the same rate of gain, for less input, while using far more of the ranch. Anybody telling you the heritage animal wins on the rail is selling something. (M. M. McIntosh and colleagues, Livestock Science, 2021.)

The Hardiness Is Not in the Breed. It Is in the Canyon.

There is a detail in how that research herd was assembled that changes the whole shape of this story, and it is worth telling slowly.

When the Department of Agriculture wanted criollo cattle to study, it did not buy them from an American ranch. In 2005 researchers went to the Sierra Tarahumara — the Copper Canyon country of western Chihuahua — and hand-selected 30 cows and 3 bulls, purchased from individual families, from an area no more than about ten kilometres across, around the town of Chinipas.

They went there for a specific reason. Those cattle had not been crossbred. And the reason they had not been crossbred is almost comic in its simplicity: there were no roads.

(A. F. Cibils and colleagues, Criollo cattle: heritage genetics for arid landscapes, and the companion account of the origin of the Jornada herd — source area “geographically isolated due to poor or no road infrastructure”; the cattle surviving on woody plants, cacti and native herbaceous vegetation)

The same work puts a number on how long that isolation has been running: something on the order of 80 to 200 generations of unmanaged breeding. And it makes an observation that almost nobody outside the field seems to have absorbed — that criollo genetics have become, in its words, strikingly different from one location to another, with body size, conformation, milking ability and horn shape differing markedly between regions.

There is no such thing as the criollo animal. There is a canyon's worth of cattle, and the next canyon over has different ones.

Which brings the uncomfortable question for anybody who would like to build this animal in the United States, and it is a question about mechanism rather than about patriotism.

You can import the cattle. You cannot import the selection pressure. What made these animals was two hundred generations of a place with no road into it, no veterinarian, no hay truck and no second chances — a place where the cows that could not find feed in a bad year simply did not leave calves. Put the same cattle on good American ground, feed them through the dry spell, pull the difficult calving, and every mechanism that built them has been switched off. Not maliciously. Just by being decent to them.

The trade behaves as though this is understood. The roping cattle come from Mexico, they now come from Chihuahua specifically, and they cross the border carrying the letter of the country they came from burned into the hide — the M brand. There is a domestic Corriente business, and it is real, but it has never grown into anything that could replace the import, which is why the closing of a border shows up as a price on a Saturday afternoon in Arizona.

There is an irony in that worth stating plainly and without heat. The most self-consciously American sport in the country runs on an animal bred in the Sierra Madre by families most rodeo crowds will never hear of, delivered through a single port of entry, and branded with an M.

One caution on this point, because it is the part where we could easily overclaim. That American-raised Corrientes cannot match the imported ones is not something we can show. Contractors disagree about it. Steve Simons, who has contracted this stock for years, told the trade press: “I don't think there's a lot of difference between a native and a Mexican if they're the same age” — and he points instead at age and at the ground they were raised on, noting that cattle from California, Oregon, Washington and Idaho tend to be roped at eight to ten months where desert-raised cattle out of Nevada and Arizona are roped at seventeen or eighteen. What the evidence does support is narrower and still striking: the source populations are genuinely distinct from valley to valley, the selection pressure that produced them does not exist on an improved ranch, and no domestic herd has yet replaced the import.

What “Pure” Actually Means — Because the Obvious Test Fails

Call an animal the purest breed in America and somebody will reasonably ask for the pedigree. On that test the Corriente fails, and it is better to say so plainly than to be caught.

Whole-genome work published last year on criollo cattle found, alongside the Iberian foundation everybody expects, clear evidence of African taurine and Asian indicine admixture — along with selection signatures for heat tolerance, fertility, immunity and coat colour.

(J. A. Ward and colleagues, Genomic insights into the population history and adaptive traits of Latin American Criollo cattle, Royal Society Open Science, 27 March 2024)

So they are not unmixed. And this is not a modern contamination that crept in lately — it was in the founding population, and it is in the ground. The same ancient-DNA study that established there were no cattle here before the Spanish also read what those first cattle were: of twenty-one animals sequenced from sixteenth- and seventeenth-century sites, fourteen carried the European maternal lineage and six carried the African one, with the African share rising in the later material. One animal from seventeenth-century Mexico City belonged to a subgroup the authors describe as particularly rare in Europe, pointing to cattle brought directly from Africa.

Cattle moved with ships, and ships called at more than one port. Some of the humped, heat-tolerant lineage got in as well, which is its own quiet joke — the two great branches of cattle split from one another something like a quarter of a million years ago, and here they are back in the same animal, reunited by accident on a colonial dock.

But unmixed was always the wrong test, and it is worth being precise about why.

A purebred Angus is not an animal without ancestry. It is an animal whose ancestry was chosen. Purity in the herdbook sense means a human being decided what would be allowed in.

By that standard every improved breed on earth is a designed object, and its pedigree is a record of what somebody wanted. The criollo pedigree is a record of what actually happened — to a population of animals, on real ground, over five centuries, with nobody curating it. It is untidy for exactly the reason a fossil bed is untidy.

That is the sense in which these are the purest cattle in America: not unmixed, but undesigned. There is no trait in a Corriente that exists because a person wanted it there.

Or rather — there was not. Until 1982.

The Horns Are Handles

In 1982 the North American Corriente Association was founded, to define, describe and preserve these cattle as a specific breed. After four hundred and eighty-nine years, the ordinary cattle finally got a specification.

And the specification is a sport.

Stand at the head box of any jackpot roping in Arizona in February and watch what the animal is asked to do. The steer is loaded into the chute. Two riders sit either side of him, one behind a rope barrier. The chute opens, the steer runs, and at the moment he crosses the score the barrier drops and both horses come. The header throws first and catches the horns. He dallies, takes the weight, and swings the steer left so his hind feet come into the open. The heeler throws into that gap and catches two feet. Both horses face. The flag drops. On a good run the whole thing is over in under five seconds.

Now read the breed description again with that picture in your head.

That is not a description of an animal. It is a description of a piece of equipment, written to a tolerance.

Eight hundred pounds is small enough that a horse can take the weight on the dally without going down, and small enough that the animal can be run again next week instead of being wrecked. And horns that come straight out and then curve forward — heavy at the base, short enough not to foul — are the difference between a loop that catches and a loop that slips off over the nose. In steer wrestling the same shape is what a man's hands go onto when he comes off a running horse at twenty-five miles an hour and turns the animal's head up and over.

Nobody in that arena would put it this way, but the breed standard describes a handle.

It is the one feature of this animal that exists because a human being wanted it there. Everything else about a Corriente — the feet, the gut, the hardiness, the sense — was written by five hundred years of Mexican mountains. The horns were written by a rope.

And the cattle know their part of it well enough that the trade has a vocabulary for how they learn. A steer that has been roped badly starts ducking, or setting up, or running to the left, and a contractor watching every run will get rid of him before he costs somebody a cheque. These animals are worked at fifteen to eighteen months, at four hundred pounds if the man buying them is doing it properly, on good alfalfa, three real runs and then turned out for a week.

(Troy Shelley, on conditioning and rotating practice cattle, in The Team Roping Journal)

Four centuries with no job description, and then a job: to be caught, on the clock, by people who pay for the privilege.

It would be easy to write that as a tragedy — the last undesigned cattle in America, finally domesticated by a spectator sport. It is not, and the reason is arithmetic.

Being useless is what nearly killed these cattle. They were displaced across the whole of the twentieth century precisely because nobody could name a thing they were best at, and the survivors hung on in the corners of the map where nobody had bothered to replace them yet. The rodeo did not domesticate the Corriente. The rodeo gave it a reason to exist in numbers, at the exact moment the last of the overlooked corners were running out.

Compare the relatives that did not get a job. The Florida Cracker and the Pineywoods — the same Spanish cattle, landed in the same century, adapted to the other end of the continent — are both listed as Threatened by the Livestock Conservancy, which notes that they carry DNA markers distinct from other cattle, preserving a genetic root now all but gone in Europe itself.

The Corriente is not on that list, and the reason is that thousands of people want one on a Saturday.

Though it is closer to the edge than the arenas make it look. The most recent registry figures we could find are old and small — on the order of eleven hundred registered breeding cows around 2010, and something like a hundred and fourteen breeders by 2016 — and the association's own breed page currently says, in as many words, that it is still being written. The animal is everywhere at a rodeo and almost nowhere in a herdbook.

What the Ordinary Ones Cost Now

Here is the part that would have been unimaginable to anyone who named them.

(The Team Roping Journal, reporting the current market, with figures from contractors and importers including Hamilton Commission Company sale prices)

Those are the figures from the tightening market before the border moved. As Douglas reopened, the trade press reported fresh M-branded steers expected at $2,000 to $2,200, with opening bids running to $2,300 — and used seven-weight steers that had brought $2.27 a pound falling to two dollars or below, a swing of about $210 a head. Prices in this trade are quoted by class, by age and by week, so read the direction rather than any single number.

One Arizona contractor goes through about 800 head a year. The cattle come in at anywhere from 275 to 500 pounds, which means three or four loads to assemble a couple of hundred steers ready to rope.

And here is the number that ought to stop you, because it is the one nobody in the stands is thinking about.

Done does not mean retired. A roping steer that has stopped being useful is sold, and he is sold by the pound. Used seven-weight steers were bringing $2.27 a pound and then fell to two dollars or below — which is to say, out of the arena and into the beef supply, priced like any other animal on the rail. Part of the reason a fresh steer costs what it costs is precisely that beef prices are high, so the salvage value underneath him is high too.

The first cattle in the Americas come out of a canyon with no road into it, get caught three or four times in front of a crowd, and are then sold by the pound.

That is not an accusation of cruelty and it is not meant as one — this is a working animal in a working industry, and the people in that trade take better care of these cattle than a stranger would guess, because a steer that gets hurt is a steer that stops earning. It is simply what the life of this animal actually is, written down plainly, which almost nobody has bothered to do.

And the supply is a border story, which is where this piece meets two others we have published this month.

These cattle come from northern Mexico, and they now come from Chihuahua alone — where the trade used to draw on Chihuahua, Durango and Sonora. The narrowing is not commercial. It is the New World screwworm, and the American response to it.

As of the most recent federal status update, dated 16 September 2026: the port at Douglas, Arizona reopened to Mexican cattle on 24 August 2026, under a phased, protocol-bound arrangement. Santa Teresa and Columbus, New Mexico remain closed to live cattle, bison and horses, pending progress against agreed milestones. The agency states it may pause again if audits find increased risk in Sonora or Chihuahua.

(USDA Animal and Plant Health Inspection Service, Current Status of New World Screwworm, updated 16 September 2026)

The founding cattle of this continent now reach the United States through one open gate in Arizona.

That is worth sitting with. A population that walked here over five hundred years, that survived every drought and every improvement scheme the twentieth century could throw at it, is now dependent for its American market on the inspection status of a single port of entry and the flight range of a fly.

Why Any of This Matters to Somebody Who Does Not Rope

Because the useful thing about an undesigned animal is that it was solving a problem nobody has since bothered to solve on purpose.

Every improved beef breed in the world was selected under conditions of abundance — good feed, reachable water, and the assumption that if the country gets hard you can buy your way out of it with a hay truck. That assumption held for most of a century. It is holding less well now, across a great deal of the West, and the cattle that were bred under it are the cattle least able to walk away from it.

What the collar data describes is not nostalgia. It is a bloodline that already contains the answer to a question the industry is only now asking: what does a cow look like if she has to find her own feed, a long way out, in a dry year, without help.

The answer turns out to be: smaller than you would like, lighter on the rail than you would like, and willing to walk a mile past where your good cow stops. Two of those three are commercial disadvantages. The third one is the entire ranch.

These cattle were never improved, and now the thing nobody improved is the thing that is worth something.

Which leaves the Corriente in a strange and rather good position for an animal named after the word for ordinary. Its relatives are on conservation lists. It is on a truck to a rodeo, and the money is real, and the numbers are holding.

Nobody set out to conserve it. Several thousand people just wanted to rope something.

That, as it happens, is how most of the durable things in ranching get saved. Not by a plan. By somebody finding a use.