identification

On t.p.: A field guide to Rocky Mountain wildflowers from northern Arizona and New Mexico to British Columbia.

Describes over one hundred bird species from the eastern United States, arranged by plumage colors, and includes information on voice, habitat, behavior, feeder preferences, and more.

An identification guide to North American frogs, salamanders, and other amphibians, with information on physical characteristics, range, evolution, and behavior.

Profiles 118 tree species found in New York, providing photographs and covering the height, leaf, bark, fall color, habitat, range, and fruit.

Shows children how to identify over 140 species of birds in the western part of North America.

Describes the physical characteristics, behavior, and habitat of a variety of caterpillars, arranged by the categories "Smooth," "Bumpy," "Sluglike," "Horned," "Hairy," "Bristly," and "Spiny.".

A guide to learning to identify North American butterflies using the Peterson System which is based on drawings and pointers that call attention to the unique marks on each kind of butterfly.