identification

Turtles, lizards, snakes, amphisbaenids and crocodilians are illustrated, described, and located on area maps.

Describes many aspects of bird watching from the origin of birds, bird naming, and bird calls to birdfeeders, binoculars, and keeping notes. Identifier includes photographs, drawings of nests, maps, and information about migration.

Demonstrates, through the use of photographs, how different kinds of trees can be identified.

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

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

Identifies over 224 common and conspicuous shells of North America, including full-color illustrations and and clear, precise description of each shell.

On t.p.: Field marks of all trees, shrubs, and woody vines that grow wild in the northeastern and north-central United States and in south-eastern and south-central Canada.

Brief text, map, and color illustration describe each weed and its habitat. Includes more than 145 of the most important weeds.

Over forty of the worlds most famous airliners are described and illustrated, with full specifications and a brief history of each.

Photographs and text describe eighty-eight species of wild flowers.