The annihilation of nature : human extinction of birds and mammals / Gerardo Ceballos, Anne H. Ehrlich, and Paul R. Ehrlich ; with original art by Ding Li Yong
Birds in jeopardy : the imperiled and extinct birds of the United States and Canada including Hawaii and Puerto Rico / Paul R. Ehrlich, David S. Dobkin, and Darryl Wheye ; illustrations by Darryl Wheye
The birder's handbook : a field guide to the natural history of North American birds : including all species that regularly breed north of Mexico / Paul R. Ehrlich, David S. Dobkin, Darryl Wheye ; illustrated by Shahid Naeem