The best-selling field guide that "sets new standards" (New Scientist) and "makes all other field guides for mammals of the United States. . . and Canada obsolete" (Journal of Mammalogy) is now even better. Covering 20 species recognized since 2002 and including 13 new color plates, this fully revised edition of Mammals of North America illustrates all 462 known mammal species in the United States and Canada--each in beautiful color and accurate detail....

"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....

Identifying and understanding the plants that are changing the North American landscape forever.

This book illustrates in full color 423 of the most common, wide-spread, important, or unusual North American species of Lepidoptera.

Describes the physical characteristics, behavior, voices, and habitats of a variety of common birds, arranged by their color. Includes the Peterson System of identifying birds by their unique markings.

Presents a comprehensive field guide that covers more than seven hundred species of wildflowers in North America, providing common and scientific names; flowering season; leaf, stalk, and blossom descriptions; and range maps.

Identifies and describes many varieties of mammals, birds, reptiles, fish, trees, and wildflowers found in North America.