identification

An illustrated introduction to owls from around the world, accompanied by distribution maps.

Guide to tracking animals and observing them in the wild with information on stride, tracks, trail patterns, scat, and photography.

Contains color illustrations and descriptions of over 450 trees, shrubs, and nonflowering plants, providing information about the textures, shapes, colors, and other characteristics of each species; and includes range maps.

Contains color illustrations and descriptions of over six hundred species of birds, providing information about behavior patterns, field characteristics, distinctive traits, and habitat; and includes range maps.

Describes over 100 species of snakes, with information on appearance, distribution, habitat, eating habits, and breeding, and includes photographs and an introduction discussing how snakes evolved.

Provides descriptions and illustrations of nearly every bird species common or widespread within North America east of the Rocky Mountains, and includes range maps.

Presents 423 species of butterflies and moths, discussing their physical characteristics and distribution in North America.

A guide to identifying herbaceous weeds and wildflowers as they are found in winter in the northeastern United States and eastern Canada, featuring illustrated in-depth entries on 391 species of herbaceous plants, and brief profiles of 191 similar species.

Pictures of 140 common trees, identifying their leaves, fruit, form, range, and uses.