Encyclopedia of Earth
Encyclopedia of Earth: Adaptations of Desert Birds and Mammals
The ways in which animals have adapted so as to survive in a desert environment are described in this article. Mechanisms that humans have to help them cool themselves in a desert are also explained. (Published: December 17, 2009)
PBS
Pbs Nature Critter Guide: Llama
Learn more about llamas when you check out this resource. This site features a clear and concise picture of how these fascinating mammals live and what purpose they serve to other animals and humans.
Regents of the University of Michigan
Animal Diversity Web: Peromyscus Eremicus (Cactus Mouse)
The Animal Diversity Web describes the natural history of the cactus mouse, including its geographical range, physical characteristics, natural habitat, reproduction, and behavior.