 The Parrot's Lament by Eugene Linden |  The Octopus and the Orangutan by Eugene Linden |  The Moral Lives of Animals by Dale Peterson |  Beyond Words by Carl Safina |  Are We Smart Enough to Know How Smart Animals Are? by Frans de Waal |  When Elephants Weep by Jeffrey Moussaieff Masson |  Being a Beast: Adventures Across the Species Divide by Charles Foster |  Wild Minds by Marc Hauser |  The Exultant Ark by Jonathan Balcombe |  The Sibley Guide to Bird Life & Behavior by David Allen Sibley |  The Warbler Guide by Tom Stephenson |  Where the Animals Go by James Cheshire |  Life on Earth by David Attenborough |  Listening to Whales by Alexandra Morton |  National Geographic Field Guide to the Birds of North America by National Geographic Society |  Sibley's Birding Basics by David Allen Sibley |  Of Wolves and Men by Barry Holstun Lopez |  The Life of Birds by David Attenborough |  The Life of Mammals by David Attenborough |  The Wisdom of Wolves by Jim Dutcher |