Some types of buffalo are endangered, such as the Asian water buffalo, while other buffalo populations are currently stable. The American bison, which is commonly referred to as the American buffalo, is at near-threatened levels on the IUCN Red List, making this species dependent on conservation efforts.
Bison and buffalo are not the same type of animal, although both species belong to the bovid species. The two main type of buffalo live in Asia and Africa. The American bison is native to North America. A small group of relatives to the American bison live in an isolated area of Poland.