A seal is any of several different species of marine mammal of the suborder Pinnipedia (order Carnivora). The "seals", commonly so-called, are in the families Phocidae (the earless seals, also called crawling or true seals) and Otariidae (fur seals and sea lions, also called walking seals).
External Links:
- U.S. NOAA information page about Pinnipeds (http://www.nmfs.noaa.gov/prot_res/species/Pinnipeds/pinnipeds.html)