Wikipedia:POTD column/October 15, 2006

The American Bison (Bison bison), is a bovine mammal that is the largest terrestrial mammal in North America, and one of the largest wild cattle in the world. With their huge bulk, bison are only surpassed in size by the massive Asian gaur and wild water buffalo, both of which are found mainly in India.

Photo credit: Jack Dykinga, USDA
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