NOAA
Noaa: Threatened, Endangered & Depleted Seals & Sea Lions
Resource provides information about endangered and depleted seals and sea lions. Great photos of the animals and clear, readable information.
US Navy
Office of Naval Reasearch: California Sea Lion
This very thorough site examines the characteristics, adaptations, status and threats, and current research associated with the California Sea Lion. Enjoy the pictures as read about this interesting mammal.