Books by Robert S. Ridgely

A major reference work on South American birds.

A thorough resource on the oscine passerines of South America.

Offers information on the birds of Costa Rica, Nicaragua, and Honduras. This book adopts the basic sequence and systematics of the AOU 1983 Check-list. It also includes information on birdfinding in Panama. It contains a section outlining developments in Panama ornithology and conservation.