Field Guide to the Songbirds of South America: The Passerines (Mildred Wyatt-Wold Series in Ornithology)
ROBERT S. RIDGELY, a leading ornithologist and author of A Guide to the Birds of Panama and The Birds of Ecuador, is Deputy Director of World Land Trust-US. He has served on numerous conservation-related boards, and currently is especially involved with Fundación Jocotoco in Ecuador, of which he is president.GUY TUDOR, a MacArthur Fellow and well-known bird artist and naturalist, was the principal illustrator of A Guide to the Birds of Venezuela and A Guide to the Birds of Colombia.