Lip curling bull bison (Bison bison), National Bison Range, Montana

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Size: 3632px × 5470px
Photo credit: © Andrew Kandel / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: american, behavior, bison, bos, buffalo, bull, curl, flehmen, lip, male, mating, national, range, response, rut