References

Banfield, A.W. The Mammals of Canada. Buffalo, New York: University of Toronto Press, 1974, pp. 369-72.

Bonner, W. Nigel. The Natural History of Seals. New York: Facts of File Publications, 1990.

Chapman, Joseph and George A. Feldhammer, eds. Wild Mammals of North America. Baltimore: Johns Hopkins University Press, 1982.

Gaskin, D.E. Whales, Dolphins, and Seals. Hong Kong: Heinemann Educational Books, 1972.

Haley, Delphine, ed. Marine Mammals. Seattle: Pacific Search PRess, 1978.

Harrison, R.J. and Judith E. King. Marine Mammals. Lond: Hutchinson & Co., Ltd. 1980.

King, Judith E. Seals of the World. Second edition. New York: Comstock Publishing Associates, 1983.

Nowak, Ronald M. Walker's Mammals of the World, Volume 2. Fifth edition. Baltimore: The Johns Hopkins University PRess, 1991. pp. 1266-74.

Reeves, Randall R., Brent S. Steward, and Stephen Leatherwood. The Sierra Club Handbook fo Seals and Sirenians. San Francisco: Sierra Club Books, 1992.

Ridgway, Sam H., ed. Mammals of the Sea, Biology and Medicine. Springfield, Illinois: Charles C. Thomas, Publisher, 1972.

Ridgway, Sam H., and Richard J. Harrison, eds. Handbook of Marine Mammals, Volume 2: Seals. London: Academic Press, 1981.

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

Scheffer, Victor B. Seals, Sea Lions, and Walruses, a Review of the Pinnipedia. Stanford: Stanford University Press, 1958.

Yochem, Pamela K. Brent S. Stewart, Robert L. DeLong, and Douglas P. DeMaster. "Diel Haul-out Patterns and Site Fidelity of Harbor Seals (Phoca vitulina) on San Miguel Island, California, in Autumn." Marine Mammal Science 3 (4), 1987, pp. 323-332.