New York State Department of Environmental Conservation
Adaptations – Designs for Survival
What's the difference between behavioral adaptations and physical adaptations? Learn about the various ways that organisms adapt to their environment with a worksheet about the creatures of the Hudson River.
Science Made Simple
Science Made Simple: How Do Animals Spend the Winter?
Use this site to learn how animals use hibernation, adaptation, and migration to overcome the difficulties of winter.
Smithsonian Institution
National Museum of Natural History: American Mammals: Arctic Fox
An animal that does not begin to shiver until temperatures reach -70 C, the arctic fox is one of the most superbly cold-adapted mammals. Its dense, multi-layered coat, which is several inches thick during winter, provides excellent heat...