Your school or public library is a fine place to learn more about mammals. Look in the catalog under "mammal" or "wildlife." Browse the shelves for interesting titles.
Mammal Tracking in Western America, by James C. Halfpenny is a valuable guide to the sign of mammals.
Mammals of Colorado, Second Edition (by D. M. Armstrong, J. P. Fitzgerald, and C. A. Meaney, 2011) is a comprehensive reference on Coloradan mammals.
Rocky Mountain Mammals, by David M. Armstrong, covers the mountain species (and many of the widespread kinds), and
Mammals of the Northern Great Plains, by J. K. Jones and colleagues, treats the species of the eastern part of the state. Your library may have R. R. Lechleitner’s
Wild Mammals of Colorado.
Colorado Wildlife, by Jeff Rennicke, has color photographs of many familiar Colorado mammals.
Another place to explore Colorado’s mammals is in a natural history museum. Colorado is fortunate to have a major exhibits museum, the Denver Museum of Nature and Science in City Park. The University of Colorado Museum in Boulder and the Museum of Western Colorado in Grand Junction also exhibit some mammals. Also, smaller local museums frequently display wildlife from their vicinity. Enjoy the exhibits, but remember, the best place to learn about wildlife is outdoors, firsthand. Colorado is a wonderful place to watch wildlife.