D. Parer & E. Parer-Cook / Galapagos Sea Lion (Zalophus wollebaeki) group swimming underwater, Galapagos Islands, Ecuador

Kevin Schafer / Galapagos Sea Lion (Zalophus wollebaeki) pups playing, Espanola Island, Galapagos Islands, Ecuador

Todd Mintz / Galapagos sealion underwater (Zalophus californianus wollebaeki) Galapagos Islands, Pacific Ocean, November

Tui De Roy / Galapagos Sea Lion (Zalophus wollebaeki) female and pup nuzzling, Galapagos Islands, Ecuador

Andy Rouse / Galapagos sealion (Zalophus californianus wollebaeki) swimming underwater, upside down, Galapagos

Tim Laman / Galapagos sea lion (Zalophus californianus wollebaeki) bull in the water. Champion Islet off Floreana (Charles) Island, Galapagos Islands.

Patrick Morris / Galapagos sealion {Zalophus californianus wollebake} Santa Fe Is, Galapagos

Pete Oxford / Galapagos sealions (Zalophus californianus wollebaeki) Mother and pup, Espaola / Hood Is, Galapagos

Pete Oxford / Galapagos sealions (Zalophus californianus wollebaeki) playing in shallow water, Gardner Bay, Española / Hood Is, Galapagos

Pete Oxford / Galapagos sealion (Zalophus californianus wollebaeki) sunning on rock, Cerro Brujo, San Cristobal Is, Galapagos

Pete Oxford / Galapagos sealion (Zalophus californianus wollebaeki) on beach Gardner Bay, Española / Hood Is, Galapagos America

Pete Oxford / Galapagos sealion (Zalophus californianus wollebaeki) swimming / diving underwater, Isabela Is, Galapagos