Ecology.

In the 20 years since publication of the first edition, the number of freshwater fish species has risen by almost 150. This second edition incorporates all of these new species, plus all-new maps and a collection of new and revised plates.

Discusses 120 of the most common caterpillars and the adult butterflies and moths they become and gives advice on how to raise caterpillars to adults.

Offers concise descriptions and detailed illustrations of the diverse mammal species and inlcudes specific guidelines on techniques of field identification.

This abridgment focuses on the North American birds most likely to be seen and features an informative introduction, and illustrated descriptions.

A simplified field guide to the common insects of North America.

See the world in a new way! Acclaimed illustrator Julia Rothman celebrates the diverse curiosities and beauty of the natural world in this exciting new volume. With whimsically hip illustrations, every page is an extraordinary look at all kinds of subjects, from mineral formation and the inside of a volcano to what makes sunsets, monarch butterfly migration, the ecosystem of a rotting log, the parts of a bird, the anatomy of a jellyfish, and much, much more.

A simplified guide to the common wildflowers of northeastern and northcentral North America.

Describes and illustrates shells found in North America, including gastropods, chitons, and bivalves.

Presents the novice with information about the plants and animals--from poison ivy and cockroaches to crabgrass and mountain lions--that grow and live near humans.