Covers 120 species of whales, dolphins, porpoises, seals, and sea lions. Information about each species covers every aspect of the animal's anatomy, life cycle, and behavior. The guide delineates evolution, worldwide population, migratory routes, and habitats, and describes feeding habits, vocalizations, social organization, surface behavior, and threats to and chances for survival. The text for each animal is accompanied by up to three richly detailed...

Describes mammals of North America in taxonomic order, includes scientific names, describes characteristics, breeding habits, habitat and geographic range. Includes photographs.

This, the first all-photographic field guide to cover fossils found throughout North America north of Mexico, includes nearly 500 full-color photographs identifying corals, trilobites, shells, teeth, bones, as well as fossil-bearing rocks and outcrop formations. The descriptive text includes information on size, geological period, geographical distribution, and ecology of the animal or plant before it was fossilized. In addition, the book provides...

These are fully illustrated with color photographs, comprehensive field guides including extensive descriptions covering appearance, habitat, range and much more! A key by color arrangement plus color illustrations of each rock and mineral are two features of this basic guide. Perfect for mountain climbers and hikers, this valuable reference covers more rocks and minerals in North America than any other available guide. 794 full-color photographs...

Designed to enhance the birding experience and to enrich the popular study of North American birds, the book combines more than 795 of full-color illustrations with authoritative text by 48 expert birders and biologist, This new guide shows how birds live and what they do. Introductory essays outlive the principles if avian evolution, life cycle, body structure, flight dynamics, and more. This is an indispensable source of information on the avian...

Covers thirty-nine species of North American hawks and other diurnal raptors. Includes detailed descriptions and range maps for each species.

A guide to medicinal plants showing how to identifying 500 plants. Information on where the plants are found and detailed descriptions of all their known uses.

Text and photographs explain how to identify the nests of 520 species of birds.