identification

Describes the butterflies of North America and includes scientific names, physical description, related species, life cycle and habitat.

A guide to identifying 100 bird species, covering where they live, what they eat, what sounds they make, their scientific names, and sizes.

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

An illustrated introduction to trees and woodlands with information on how to identify the bark and the leaves, the many ways that animals use trees, and how to read the individual history that shapes every tree.

An illustrated identification guide that profiles the most common rocks and minerals in North America, providing information on hardness, characteristic features, physical properties, mode of formation, occurrence, similar rocks and minerals, and less common rocks and minerals; also includes a glossary.

Presents color-illustrated profiles of more than one hundred North American bird species found in towns, in the country, and near water, describing their physical features, habitats, and unique traits.

A guide to the constellations that explains the traditions and myths behind their names and provides information about each constellation, including how to locate it in the night sky.

Presents illustrated descriptions of more than two hundred common mammal species found in North America, covering their habits, habitats, family trees, raising of young, foods, enemies, geographic ranges, and other topics.

Provides background information on insect evolution, anatomy, behavior, habitats, cycles, and societies; examines the anatomy, life cycle, survival tactics, and predatory instincts of spiders; features an identification guide to 160 insects and spiders; and includes tips on caring for insects and spiders as pets.

A guide to identifying different birds in North America that includes photographs, descriptions of habitats, markings, habits, and voice, and range maps explaining where many birds are located.