Sperm Whale - Short description and sketch from the Canadian Museum of Natural History. www.nature.ca/notebooks/english/sprmwale.htm
Sperm Whale ACS Cetacean Fact Sheet - Comprehensive information on the sperm whale's scientific name, physical characteristics, and behaviorial traits. www.acsonline.org/factpack/spermwhl.htm
Sperm Whales - Answers question concerning how fast whales really move and examines the likelihood of whales existing in a given habitat. www.whalewatch.co.nz/sperm.htm
