Yellowstone's migrating bison manipulate springtime green-up

On a typical June day in Yellowstone, it's not unusual to see hundreds of bison grazing in the Lamar Valley. The herds appear to aimlessly move back and forth through meadows threaded by a winding river, just passive figures ...

Taking the temperature of big game

Big game are usually resilient and adaptive mammals, but increased warming in productive regions of Alaska and the Great Plains poses a threat to populations of moose and bison.

Time ticks away at wild bison genetic diversity

Evidence is mounting that wild North American bison are gradually shedding their genetic diversity across many of the isolated herds overseen by the U.S. government, weakening future resilience against disease and climate ...

The controversial origin of a symbol of the American west

New research by Professor Beth Shapiro of the UC Santa Cruz Genomics Institute and University of Alberta Professor Duane Froese has identified North America's oldest bison fossils and helped construct a bison genealogy establishing ...

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Bison

Members of the genus Bison are large, even-toed ungulates within the subfamily Bovinae. Two extant and four extinct species are recognized. The surviving species are the American bison, also known as the American buffalo (although it is only distantly related to the true buffalo), Bison bison (with two subspecies, the plains bison, Bison bison bison, and the wood bison, Bison bison athabascae), found in North America, and the European bison, or wisent (Bison bonasus), found in Europe and the Caucasus. While these species are usually grouped into their own genus, they are sometimes included in the closely related genus Bos, together with cattle, gaur, kouprey and yaks, with which bison have a limited ability to interbreed.

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