Field Guide to
Hummingbirds of North America
by Sheri L. Williamson
Houghton Mifflin, 2002
distinctive in their appearance and easy to recognize as a family,
are difficult to identify by species. Many of the 31 species that breed
in or visit North America are visually similar and only a careful
of sounds, behavior and distribution charts can separate them.
This new field guide offers the detailed information on habits, habitats, migratory patterns, physical traits, diet, mating practices and other features needed to make field identifications accurate and definitive.
Plants that Attract Hummingbirds
Claret Cup Cactus
|Unlike general guides which rely on illustrations to aid with identification, this book utilizes more than 250 color photos to depict plumage variations within and between species. The book's 31 color plates illustrate 28 species, 7 hybrid combinations, 3 forms of albinism, and 4 species of sphinx moths often mistaken for hummingbirds.||Resources