MARK A. SCHNEIDER / SCIENCE PHOTO LIBRARY MARK A. SCHNEIDER / SCIENCE PHOTO LIBRARY
Female (doe) whitetail deer (odocoileus virginianus) smelling and tasting the air. Whitetail deer have an incredible sense of smell, believed to be 60 to 100 times greater than a human. This is one of the whitetail's many defence mechanisms. Kentucky, USA.
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