http://a-z-animals.com/animals/arctic-hare/ Arctic Hare
http://a-z-animals.com/animals/arctic-wolf/ Arctic Wolf
http://a-z-animals.com/animals/arctic-fox/ Arctic Fox
http://www.seaworld.org/fun-zone/fun-guides/arctic/index.htm
http://literacynet.org/polar/pop/html/project-ecosystem.html
http://www.coolantarctica.com/Antarctica%20fact%20file/wildlife/krill.htm krill
http://www.enchantedlearning.com/coloring/arcticanimals.shtml
http://www.pbs.org/wnet/nature/episodes/penguins-of-the-antarctic/introduction/181/