A simpler and more user-friendly visual approach to gull identification This unique photographic field guide to North America’s gulls provides a comparative a
A comprehensive photographic guide to the world’s gull species With more than 50 gull species in the world, this family of seabirds poses some of the greatest
A field guide that revolutionizes warbler identification Warblers are among the most challenging birds to identify. They exhibit an array of seasonal plumages a
Teaches about the habitat, behaviors, appearance, and songs of seventy-five Eastern and Central North American birds, and includes basic birdwatching guidelines