California Sea Lion Bull, Zalophus californianus, La Paz, Baja California Sur, Mexico

California Sea Lion Bull, Zalophus californianus, La Paz, Baja California Sur, Mexico

California Sea Lion Bull, Zalophus californianus, La Paz, Baja California Sur, Mexico

California Sea Lion Bull, Zalophus californianus, La Paz, Baja California Sur, Mexico

California sea lion bull (Zalophus californianus) half above and half below with snorkeler at Los Islotes, Baja California Sur, Mexico, North America

An injured bull California sea lion (Zalophus californianus), hauled out on Isla San Pedro Martir, Sea of Cortez, Mexico, North America

Bull California sea lion (Zalophus californianus), on the beach in Puerto Refugio, Baja California, Sea of Cortez, Mexico, North America

California sea lion bull (Zalophus californianus) hauled out at Los Islotes, Baja California Sur, Mexico, North America

California sea lion (Zalophus californianus) bull and pup hauled out on Los Islotes, Baja California Sur, Mexico, North America

Adult California sea lion (Zalophus californianus) bull underwater at Los Islotes, Baja California Sur, Mexico, North America

Adult California sea lion (Zalophus californianus) bull underwater at Los Islotes, Baja California Sur, Mexico, North America

California sea lion bull (Zalophus californianus) on Isla San Pedro Martir, Baja California, Mexico, North America

Adult bull California Sea Lion (Zalophus californianus) hauled out (note the well developed sagital crest denoting a male) at Race Rocks, British Columbia, Canada.

Adult bull California sea lion (Zalophus californianus) resting at Los Islotes (the islets) just outside of La Paz, Baja California Sur in the Gulf of California (Sea of Cortez), Mexico.

Adult bull California sea lion (Zalophus californianus) underwater at Los Islotes (the islets) just outside of La Paz, Baja California Sur in the Gulf of California (Sea of Cortez), Mexico.

Adult Bull California Sea Lion (Zalophus californianus) with pup on Los Islotes, off Isla Partida in the lower Gulf of Claifornia (Sea of Cortez), Mexico.

California Sea Lion bull (Zalophus californianus) swimming in the midriff islands of the Gulf of California (Sea of Cortez), Mexico

Adult bull California sea lion (left) and female (right) (Zalophus californianus) at Los Islotes (the islets), Baja California Sur in the Gulf of California (Sea of Cortez), Mexico.

Steller sea lion (Eumetopias jubatus), bull, swimming, California, USA

Steller sea lion (Eumetopias jubatus), bull, swimming, California, USA