References

References

 

Sale, Richard. The Arctic. The complete story. Frances Lincoln Limited Publishers, 2008. Pp. 479- 485.

Animals, a visual encyclopedia. Smithsonian. 2012. Pp. 84, 85.

Alderton, David. The encyclopedia of animals. Chartwell books, Inc., 2009. Pp.152-158.

Stone, David. Seals. IUCN, 1995.

Riedman, Marianne. The Pinnipeds: Seals, Sea Lions, and Walruses. University of California Press, 1990.

Braje, et.al. Human Impacts on Seals, Sea Lions, and Sea Otters: Integrating Archaeology and Ecology in the Northeast Pacific. University of California Press, 2011.

http://species-identification.org/index.php?groep=Sea+lions+and+fur+seals&selectie=49&hoofdgroepen_pad=%2C1%2C11%2C49

http://www.fws.gov/OREGONCOAST/wildlife/pinniped.htm

http://animaldiversity.org

http://www.arkive.org