In this groundbreaking work, Cory describes and classifies dozens of new species of birds found in South America and nearby islands. His meticulous observations and detailed illustrations provide invaluable insights into the rich diversity of avian life in this region of the world. This book is an essential resource for ornithologists and bird enthusiasts alike.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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