Adult American bison are slightly heavier on average because of their less rangy build, and have shorter legs, which render them slightly shorter at the shoulder. When a baby bison calf is born, it can weigh between 40 and 50 pounds and can usually walk and run within a couple of hours. A fully grown male bison can weigh approximately 2,000 pounds, while a female bison can grow up to 1,100 pounds.  At three years of age, bison cows are mature enough to produce a calf. There was little singing anywhere.  Bison wallowing has important ecosystem engineering effects and enhances plant and animal diversity on prairies..
 B.b.athabascae is significantly larger and heavier on average than B.b.bison while the number of recorded samples for the former was limited after the rediscovery of a relatively pure herd.
Bison herds have dominance hierarchies that exist for both males and females.
 B. antiquus, in turn, evolved into B. occidentalis, then into the yet smaller B. bison—the modern American bison—some 5,000 to 10,000 years ago.
Festival of Sacrifice: The Past and Present of the Islamic Holiday of Eid al-Adha. In Plains Indian languages in general, male and female buffaloes are distinguished, with each having a different designation rather than there being a single generic word covering both sexes. Bison are herbivores, feeding on the grasses of the prairie land all year round. Will 5G Impact Our Cell Phone Plans (or Our Health?! During this time, bison partake in horning behaviors. They appear slow because of their lethargic movements, but can easily outrun humans; bison have been observed running as fast as 65 km/h (40 mph) for 8 km (5 mi). Distribution of public herds of plains bison and of free-ranging or captive breeding wood bison in North America as of 2003. Past and current hypotheses to explain the purpose of wallowing include grooming associated with shedding, male-male interaction (typically rutting), social behavior for group cohesion, play, relief from skin irritation due to biting insects, reduction of ectoparasite (tick and lice) load, and thermoregulation.
Among Native American tribes, especially the Plains Indians, the bison is considered a sacred animal and religious symbol.  Accidental crossings were also known to occur.  The bison is a popular symbol in the Great Plains states: Kansas, Oklahoma, and Wyoming have adopted the animal as their official state mammal, and many sports teams have chosen the bison as their mascot. According to University of Montana anthropology and Native American studies professor S. Neyooxet Greymorning, "The creation stories of where buffalo came from put them in a very spiritual place among many tribes. However, bison are not domestic animals.  The heads and forequarters are massive, and both sexes have short, curved horns that can grow up to 60 cm (2 ft) long with 90 cm (3 ft) to 124 cm (4 ft) width, which they use in fighting for status within the herd and for defense. " It appears that the one state herd that had no cattle genes was the Henry Mountains bison herd; the Henry Mountain herd was started initially with transplanted animals from Yellowstone Park. The European bison arose from the steppe bison, without fossil evidence of other ancestral species between the steppe bison and the European bison, though the European bison might have arisen from the lineage that led to American bison if that lineage backcrossed with the steppe bison. It is also used in the official coat of arms of the Royal Canadian Mounted Police.  Canada also exports bison meat, totaling 2,075,253 kilograms (4,575,150 lb) in 2006.
During that period, a handful of ranchers gathered remnants of the existing herds to save the species from extinction.  The heaviest wild bull for B.b.bison ever recorded weighed 1,270 kg (2,800 lb) while there had been bulls estimated to be 1,360 kg (3,000 lb). Among the Mandan and Hidatsa, the White Buffalo Cow Society was the most sacred of societies for women. However, the name buffalo is listed in many dictionaries as an acceptable name for American buffalo or bison. Aune, K., Jørgensen, D. & Gates, C. 2017. The Works of Samuel de Champlain, vol 3. In Canada, the bison is the official animal of the province of Manitoba and appears on the Manitoba flag.  Some researchers consider B. occidentalis to be a subspecies of B. Thesis. A bison has a shaggy, long, dark-brown winter coat, and a lighter-weight, lighter-brown summer coat. Iowa State University, Ames, Iowa. It was used in ceremonies, as well as to make tipi covers that provided homes for people, utensils, shields, weapons and parts were used for sewing with the sinew. Though not particularly known as high-altitude animals, bison in the Yellowstone Park bison herd are frequently found at elevations above 2,400 m (8,000 ft) and the Henry Mountains bison herd is found on the plains around the Henry Mountains, Utah, as well as in mountain valleys of the Henry Mountains to an altitude of 3,000 m (10,000 ft).