Denis-Huot,Denis-Huot / Lion (Panthera leo) male using 'flehmen response' to smell, Masai-Mara Game Reserve, Kenya. Vulnerable species.
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Danny Green / 2020VISION / Red deer (Cervus elaphus) young stag tasting the air (flehmen response) Bradgate Park, Leicestershire, England, UK, October
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Ann & Steve Toon / Lion (Panthera leo) showing flehmen response, Zimanga private game reserve, KwaZulu-Natal, South Africa.
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Felis Images / Bengal tiger (Panthera tigris), walking on track, tongue out, tasting air in flehmen response. Ranthambore National Park, India. Photo Phillip Ross/Felis Images
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Andy Rouse / Bengal tiger (Panthera tigris) female showing flehmen response to detect scent on air. Ranthambhore National Park, India.
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Andy Rouse / Bengal tiger (Panthera tigris) female showing flehmen response to detect scent on air. Ranthambhore National Park, India.
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Jed Weingarten / Wild Wonders of China / White-lipped deer (Cervus albirostris) buck showing flehmen response, Serxu, Garze Prefecture, Sichuan Province, China
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Jed Weingarten / Wild Wonders of China / White-lipped deer (Cervus albirostris) showing flehmen response, Serxu, Garze Prefecture, Sichuan Province, China
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Nick Upton / Hebridean sheep (Ovis aries) ram showing flehmen response as it smells nearby ewe in meadow, Rutland Water, Rutland, UK, November.
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Ann & Steve Toon / Impala (Aepyceros melampus) ram exhibiting flehmen response, iMfolozi game reserve, KwaZulu-Natal, South Africa, August
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Jeff Vanuga / Shiras moose (Alces alces shirasi) male, flehmen response / lip curling with mountains in background, Grand Teton National Park, Wyoming.
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Jeff Vanuga / Bison (Bison bison) bull lip curling / flehmen response in mist, Yellowstone National Park, Wyoming, USA. September.
