How to Identify Bison in Arkansas

An American bison is a massive, unmistakable animal with a distinctive appearance. Adults stand 5 to 6 feet tall at the shoulder and weigh 800 to 2,000 pounds, making them larger than any wild animal native to Arkansas. They have a massive head held lower than the rear of the body, a pronounced hump over the shoulders, and thick, stubby horns curving upward and inward. Their body is covered in thick, shaggy brown fur that becomes longer and denser across the head, neck, and shoulders during winter. The tail is short and thin with a tuft of longer hair at the end. Their legs are relatively short and stocky compared to their massive body, and their hooves are small relative to their weight.

American bison are typically dark brown or chocolate colored, though the shade varies between individuals. During late fall and winter, they develop an extremely thick, shaggy coat that makes them appear even darker and more massive. In spring, they shed this heavy winter coat, shedding clumps of hair and appearing somewhat paler and less bulky, though still unmistakably brown. The shedding period can take several weeks, and animals in transition often appear ragged or patchy. Bulls tend to be darker and have longer hair than cows, especially around the head and shoulders. Young calves born in spring are often a reddish-brown color and much smaller, though they grow rapidly.

Bison differ from cattle in several key ways. Bison have a much larger hump over the shoulders and a shorter, stockier build overall. Their head is held lower and is massively larger relative to their body. Bison horns curve upward in a tighter spiral and are much shorter than cattle horns. The bison's massive head and shoulders make cattle look slender by comparison. If you see a large horned animal in Arkansas, cattle are vastly more likely, but bison would be obvious by their size, hump, and the way their body is proportioned. No deer, elk, moose, or any other North American animal resembles a bison closely enough to cause confusion.

A bison hoof track is large, roughly oval-shaped, and about 5 to 6 inches long and 4 to 5 inches wide. The impression shows two toes side by side, as bison are cloven-hoofed ungulates like cattle and deer. Bison droppings are large, fibrous, and typically 12 to 18 inches in diameter when deposited in a pile. They are rougher and chunkier than cattle manure because bison graze on coarser prairie vegetation. Bison also leave behind heavily trampled, muddy wallows where they roll to shed fur and regulate temperature. These wallows are obvious circular or oval depressions in the soil, often several feet across and several inches deep, found in areas where herds congregate.

The 29 iNaturalist observations in Arkansas that tagged the genus Bison are almost entirely mislabeled domestic cattle and goats. Out of 29 observations, only 1 is labeled as American bison, and that single report is almost certainly an error or an escapee from a farm. The remaining 28 observations consist of 21 domestic cattle and 3 domestic goats misidentified by inexperienced observers. This illustrates how rare and absent bison truly are in the state, and how casual iNaturalist submissions can contain errors without expert review.

Yes, it is theoretically possible for a bison to escape from a private farm or wildlife facility in Arkansas. However, such escapes would be extremely rare and the animal would not survive long in the wild, nor would it establish a population. Bison require vast areas of grassland to thrive, and Arkansas does not provide that habitat. If a farm escapee were spotted, it would be a one-off incident, not evidence of wild bison in the state. No self-sustaining wild population exists in Arkansas.

Arkansas is home to several large wild mammals you are far more likely to see. Black bears inhabit the forested areas of western and central Arkansas and are expanding their range eastward. White-tailed deer are extremely common throughout the state and are the largest wild ungulate you will encounter. Coyotes are present statewide and occasionally reach sizes that startle observers, though they remain much smaller than bison. Wild turkey, beavers, raccoons, and river otters are also present. For large megafauna, black bears and white-tailed deer are your most realistic sightings in Arkansas.

An American bison is significantly larger than a black bear. A large bull bison weighs 1,500 to 2,000 pounds and stands 5 to 6 feet at the shoulder, while black bears typically weigh 200 to 400 pounds and stand 3 to 4 feet tall. A bison is roughly 4 to 8 times heavier. Moose are taller at the shoulder (10 feet) but can weigh less than a large bison. Since moose do not occur in Arkansas, any massive horned animal you see will either be a bison escapee (extremely unlikely) or more probably cattle. Neither bison nor moose have any established wild populations east of the Great Plains.

If you encountered an animal that clearly matched a bison's description in Arkansas, remain at a safe distance and do not approach it. Bison are extremely dangerous and can run at speeds up to 35 miles per hour and weigh over a ton. Immediately report the sighting to the Arkansas Game and Fish Commission with a location, time, photos if safe, and any details on whether it appeared to be an escapee or had markings indicating farm ownership. Do not attempt to capture, prod, or chase the animal. Document the sighting for authorities to retrieve the escapee if that is the case.