The Birds of Ecuador: Status, distribution, and taxonomy - Robert S. Ridgely, Paul J. Greenfield - Google Books

https://books.google.de/books?id=aa0I8RZlRZ0C

The Birds of Ecuador comprehensively treats the nearly 1600 species of birds that can be found in mainland Ecuador in two volumes. The authors describe Ecuador this way: "One of the wonders of the natural world. Nowhere else is such incredible avian…