A field guide that revolutionizes warbler identification Warblers are among the most challenging birds to identify. They exhibit an array of seasonal plumages a

Describes sixty species of North American warblers.

This is a handy, pocket-sized foldout reference to the 45 most commonly seen North American warblers. Photos include side-on, underside, and 45-degree views Dra

Bradypterus, Locustella, Hippolais, Cettia.

An essential field guide companion covering species pairs or groups that are difficult to identify. This book covers difficult identification issues by looking