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Taken 23-Aug-09
5 of 93 photos

Eau de Estrus

A bull bison picks up the tantalize aroma of estrus on the air...

Categories & Keywords
Subcategory Detail:
Keywords:2009, aroused, August, bison, buffalo, bull, excited, horns, male, mating, National Park, natural, nature, raised, Rockies, Rocky Mountains, rut, season, smell, sniff, snort, summer, tail, wildlife, Wyoming, Yellowstone

bull bison with nostrils flared, mouth open, and tail raised