North American Warbler Fold-Out Guide: Folding Pocket Guide (Other) (ISBN-13: 9780691172965)

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


• Drawings of undertail patterns provide at-a-glance comparisons between species


• Icons depict generalized color patterns for each bird and where the species is usually found--on the ground, low in trees or vegetation, midstory, or toward the top of trees


• Succinct text describes key identification features for each species


• A QR code takes you to a range of common vocalizations for each species