caribou
muskox
grey wolf
brown bear
golden eagle
Arctic fox
ermine
arctic hare
beluga whale
orca
lemming
northern fur seal
narwhal
zooplankton
The
Arctic Tundra Ecosystem in Northeast Alaska
This U.S. government site has lots of information about many of the animals
listed above.
Arctic
Animals
The Enchanted Learning website has basic information for a young audience.
Arctic
National Wildlife Refuge
You will find this site, produced by the U.S. Fish and Wildlife Service,
contains most of what you need for your research.