Language: English, also available in Spanish
All species are illustrated in colour, including migrants and vagrants and visually distinctive subspecies. The text focuses on the field identification aspects of each species, including their behaviour, vocalisations, and nest appearance.
Robert S. Ridgely is a world-renowned ornithologist at the Academy of Natural Sciences and the author of Birds of Panama and Birds of South America; Paul J. Greenfield has been studying and painting the birds while residing in Ecuador for 28 years.