- Bison | Size, Population, Diet, Facts | Britannica
Bison, either of two species of oxlike grazing mammals that constitute the genus Bison Hunting drastically reduced the populations of the American bison (B bison), or buffalo, and the European bison (B bonasus), or wisent, and now these animals occupy only small fractions of their former ranges
- 15 Facts About Bison - U. S. National Park Service
15 Bison are nearsighted—who knew? While bison have poor eyesight, they have excellent senses of smell and hearing Cows and calves communicate using pig-like grunts, and during mating season, bulls can be heard bellowing across long distances
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