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

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.

A field guide to warblers.

Following the same format as other book in the series, this guide to North American wood warblers, the parulinae, looks at their distribution throughout the USA