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Photographs: © Augusto Stanzani/ardea.com (dolphin); © Gary Bell/OceanwideImages.com (crab); © JH Pete Carmichael/Getty Images (orangutan); Vincent J. Musi (gray parrot); © Martin Harvey/Corbis (meerkats); © Michael Fogden/Animals Animals – Earth Scenes (poison dart frog); Vincent J. Musi (dog); Cyril Ruoso/Minden Pictures/National Geographic Image Collection (chimpanzee); © Ron Cohn/The Gorilla Foundation (gorilla)
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