A photographic field guide of North American birds provides color photographs of birds in their natural habitat and discusses their physical characteristics, ha

Also includes material on proturans, springtails, diplurans, harvestmen, scorpions, ticks, mites, centipedes, millipedes, crayfish, pillbugs, fairy, brine, tadp

Presents a reference guide to over seven hundred species of trees, providing introductory essays along with individual entries on habitat, range, and descriptio

"Companion to National Geographic field guide to the birds of North America"--Cover.

This new field guide provides a suite of modern tools to effectively aid in the identification of more than 750 species of birds across North America. It introd