Designed to help birders and banders identify, age, and sex all seventeen species of hummingbirds found in North America, this is the only identification guide devoted entirely to hummingbirds that includes up-close, easy-to-use illustrations.

Hummingbirds are a glittering, sparkling collective of over three hundred wildly variable, colorful species. For centuries they have captured our imaginations - revered by indigenous Americans, coveted by European collectors, and to this day admired worldwide for their unsurpassed metallic, jewel-like plumage, acrobatic flight, and immense character. Yet they exist on a knife-edge -- theirs is a precarious life, dependent upon finding sufficient nectar...