Fake eyes on a butterflys wings mean predators mistake it for an owl; the octopus changes colour to blend in with the seabed Animals are hidden on the colour spreads, and jump out when illuminated from behind. Contrasting black-and-white pages reveal the secrets of each creatures camouflage, while a guide at the back locates their habitats. Source other than Library of Congress.

"Published by arrangement with Ivy Press Limited, United Kingdom." "Hold the page to light to reveal hidden secrets"--Cover.