Colorado Parks & Wildlife Research Library

Discusses what reptiles and amphibians are and examines the characteristics and behavior of lizards, snakes, turtles, crocodiles, alligators, frogs, toads, and salamanders.

Provides a guide for beginning stargazers, including sky maps and constellation charts, identification tips, and space facts and jokes.

A fact-filled guide to common birds of North America includes color-coded maps, identification tips, bird-watching activities, and bird calls.