Add Yahoo as a preferred source to see more of our stories on Google. Southern Elephant Seal (Mirounga leonina) fights with a rival for control of a large harem of females during the breeding season ...

During what park docent Laura Stern called "pupping season," bull seals—some reaching up to 16 feet (4.9 meters) in length and weighing up to 2.5 tons—engage in bloody battles for breeding access to ...

Much of the eastern United States is currently undergoing a massive polar vortex, with another one expected to follow. Meanwhile, California basks in the sunshine. These conditions set the stage for ...

PESCADERO, Calif. — Every winter about 10,000 elephant seals make their way to California's Año Nuevo State Park to fight, mate and give birth. The spectacle runs from mid-December through March, ...