A practical field guide that features a special system designed to help indentify diverse species of insects

Describes and illustrates 183 butterflies and moths of North America, and includes advice on butterfly-watching and butterfly conservation

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

Focusing on the North American continent, this book, the first of its kind, identifies and describes major field guides in all scientific subject areas (from pl

Describes and illustrates 125 caterpillar species, together with an illustration of the adult butterfly, and includes advice on finding and raising caterpillars