Polar bears on Arctic ice
© 2002 NOAA Ocean Explorer
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Homo Sapiens Versus Neanderthals
© 1994, 2007 WGBH Educational Foundation
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Interview with Sean Carroll
© 2007 Howard Hughes Medical Institute
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Dog Breeding
© 2007 Howard Hughes Medical Institute
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Desert cottontail and Gambel's quail
© 2008 Katja Schulz
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Moose With Two Calves
© 2006 GTV
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Nine-banded Armadillo foraging
© Mark Scott
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Ship rat feeding on palm fruit
© 2008 Katja Schulz
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Desert cottontail foraging
© 2008 Katja Schulz
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Alpine Ibex
© Angel Maker
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Bats Like Smoke
© 2005 Eamonn O'Brien-Strain
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Mule Deer at Yosemite
© 2005 Dawn Endico
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Brown bear stealing fish
© S & F Video
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Polar Bear and Cubs
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Ibex above Saas Balen (2)
© 2005 Tobias Gasser
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Ibex above Saas Balen
© 2005 Tobias Gasser
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Bat trails in the sky
© thesloth2001ca
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Bat Attacking Flying Insect (Animation)
© 2006 Kaushik Ghose, Timothy K. Horiuchi, P. S. Krishnaprasad, and Cynthia F. Moss
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Bat Attacking Flying Insect (Animation)
© 2006 Kaushik Ghose, Timothy K. Horiuchi, P. S. Krishnaprasad, and Cynthia F. Moss
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Bat Attacking Flying Insect (Animation)
© 2006 Kaushik Ghose, Timothy K. Horiuchi, P. S. Krishnaprasad, and Cynthia F. Moss
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Bat Attacking Flying Insect (Animation)
© 2006 Kaushik Ghose, Timothy K. Horiuchi, P. S. Krishnaprasad, and Cynthia F. Moss
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Beluga swimming in aquarium
© 2007 Katja Schulz
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Northern Elephant Seal Bull Roar
© 2003 Dawn Endico
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Sumatran Rhinoceros
© Asia Geographic Productions Sdn Bhd
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Red Squirrel
© Jean-François Noulin
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African Lions
© Kiel Kietlinski
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African Elephant
© Kiel Kietlinski
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Sciurus carolinensis
© 2007 Kiel Kietlinski
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Cliff Chipmunk
© 2007 Katja Schulz
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Cynomys ludovicianus barking
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Desert cottontail and Gambel's quail
© 2007 Katja Schulz
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Desert cottontail and Gambel's quail
© 2007 Katja Schulz
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Desert cottontail and Gambel's quail
© 2007 Katja Schulz
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Desert cottontail foraging
© 2007 Katja Schulz
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