North American elk,(wapiti) Cervus elaphus, during rut, Pennsylvania, reintroduced to Pennsylvania in 1913, bull or male

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Photo credit: © John Cancalosi / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, antler, antlers, autumn, autumnal, biodiversity, biological, biology, buck, bull, cervid, cervidae, conservation, conserve, ecological, ecology, elk, endotherm, endothermic, evolution, fall, hair, hairy, hierarchy, hirsute, life, live, living, mammal, mammalogy, natural, nature, outdoor, predator, prey, reproduction, rut, stag, vertebrata, vertebrate, wapiti, warm-blooded, wildlife