Gerry Ellis / Solomon Island Leaf Frog (Ceratobatrachus guentheri), Woodland Park Zoo, Washington

John Cancalosi / Luna Moth (Arctias luna) newly emerged adult on a leaf, showing leaf mimicry. New York, USA, June.

Pete Oxford / Green Tree Frog (Hyla cinerea) on ribbed leaf, Little St. Simon's Island, Georgia

Mark Moffett / Jumping Spider next to a fruit fly whose hindquarters its coloration mimics, California

Michael & Patricia Fogden / Lesser Earless Lizard (Holbrookia maculata) camouflaged against white sand, White Sands National Park, New Mexico

Michael & Patricia Fogden / Lesser Earless Lizard (Holbrookia maculata) camouflaged against white sand, White Sands National Park, New Mexico

Chris Newbert / Goby (Cottogobius sp) on Wire Coral (Cirrhipathes sp), Kona, Hawaii

Michael Quinton / Trumpeter Swan (Cygnus buccinator) camouflaged in snow drift, Yellowstone National Park, Wyoming

Michael Quinton / Great Gray Owl (Strix nebulosa) camouflaged in tree, summer, Idaho

Michael Quinton / Long-tailed Weasel (Mustela frenata) camouflaged against snow, Yellowstone National Park, Wyoming

Thomas Mangelsen / Mountain Lion (Puma concolor) at her den camouflaged against rocks, Miller Butte, National Elk Refuge, Wyoming

Flip Nicklin / Green Sea Turtle (Chelonia mydas) underwater, Hawaii