A photographic field guide of North American birds provides color photographs of birds in their natural habitat and discusses their physical characteristics, habitats, behaviors, songs, and migration routes.

Presents a reference guide to over seven hundred species of trees, providing introductory essays along with individual entries on habitat, range, and descriptions of leaves, fruits, and flowers.

Also includes material on proturans, springtails, diplurans, harvestmen, scorpions, ticks, mites, centipedes, millipedes, crayfish, pillbugs, fairy, brine, tadpole, and clam shrimps, water fleas, and malacostracans.

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.

A comprehensive guide to the insects of North America contains information--including life histories, behaviors, and habitats--on every major group of insects found north of Mexico.

The bestselling guide to hawks is now completely revised and in full color, with 40 color plates and 140 color photos. Up-to-date maps show ranges for each season, and the text covers all 39 diurnal raptors seen in North America.

Presents a handbook for the identification of over five hundred species of trees by illustration and text.