"From the most trusted name in birding--beloved by millions, backyard enthusiast and expert alike--comes a completely new and definitive guide to the birds of North America: the most comprehensive, authoritative, and up-to-date work of its kind. Developed by the creators of the bestselling Audubon field guides, this master guide is the result of a collaboration between leading scientists, scholars, taxonomic and field experts, photo editors, and designers....

"A completely revised edition of Sibley's landmark guide, with more than 600 new paintings and 111 rare species added, new information on habitat and behavior, and more tips on finding species in the field"--Cover.

Over 750 color photographs show mushrooms as they appear in their natural habitats and are arranged by species, shape and color.

Describes the habitat, behavior, range, and developmental stages of native butterflies, native skippers, and migrating tropical butterflies.

Identifies 671 common seashells found on the Atlantic and Pacific coasts of the United States and Canada.