- This is an article about an animal. For other uses, see Bison (disambiguation).
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- This is an article about an animal. For other uses, see Bison (disambiguation).
Bison is a taxonomic group containing six species of large even-toed ungulates within the subfamily Bovinae. Only two of these species still exist: the American bison (B. bison) and the European bison, or wisent (B. bonasus), each with two subspecies.
Name
In American Western culture, the bison is commonly referred to as "buffalo"; however, this is a misnomer: though both bison and buffalo belong to the Bovidae family, the term "buffalo" properly applies only to the Asian water buffalo and African buffalo. The gaur, a large, thick-coated ox found in Asia, is also known as the "Indian bison", although it is in the genus Bos and thus not a true bison.
Description
The American and European bison are the largest terrestrial mammals in North America and Europe. Bison are nomadic grazersFact: date=March 2008
Unlike the Asian water buffalo, bison have never been domesticated, although the American bison is kept on some farms.
Bison are born without their trademark hump and horns and live for approximately twenty years. They grow to maturity at two to three years, although males continue to grow until about their seventh year. Adult bulls express a high degree of dominance competitiveness during mating season. Male bison fight for females and these fights often result in injury or death. After the bison mate, the herd splits up into smaller herds. Calves are born nine months after mating. The mothers take care of and nurse their young for a year.
Male bison grow to as much as to 11.5 feet (3.5m) long, and 6.5 feet (2m) tall at the shoulder and can weigh up to 2200lbs (998 kg).
Wallowing
| url = http://www.jstor.org/pss/3083019}} In the process of walloving bison may become infected by the fatal disease anthrax, which may occur naturally in the soil.
Diet
Bison have a fairly simple diet. The bison's main food is grass. Bison also eat the low lying shrubbery that is available. In the winter, bison forage in the snow looking for grass. If there is little grass available, bison have to resort to eating the twigs of the shrubs and plants.
Predators
Due to their large size few predators attack bison. Wolf packs, but not single wolves, could take down a bison. Brown bears will also prey on calves but when they are found eating bison they generally have driven off wolves and taken over their kill.

In Yellowstone Park the strongest and most dominant wolf packs have been observed to take elk and deer; they leave the bison, which is much harder to kill, to the weaker wolf packsFact: date=August 2008.


























