University of California
Ucmp: Hot Blooded or Cold Blooded?
An easy-to-understand explanation of what it means to either hot- or cold-blooded.
Science Buddies
Science Buddies: Project Ideas: Huddle and Cuddle: How Puppies Keep Warm
In this mammalian biology science fair project, students will determine how much huddling reduces heat loss in warm-blooded animals. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...
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.