There are 16 species of eared seals; seven of them are sea lion species. One of the most recognized species, according to the NOAA, is the California sea lion, which is often featured doing tricks at zoos and aquariums. In the wild, these animals live along the West Coast of North America. They are often seen sunning themselves on beaches, docks and jetties. Males average about 700 lbs. (315 kg) and can reach above 1,000 lbs. (455 kg). Females average 240 lbs. (110 kg). [Gallery: Seals of the World]