It's not just the white sharks off the South African coast of Gansbaai that feel the deep, primal fear known only to prey.

such as orcas (Orcinus orca), which feed on seals, but that threat never appeared to materialize. Dead elephant seals on a beach in Argentina. (Photo by Maxi Jonas/WCS) H5N1 influenza is present ...

They were seen in the open waters hunting sea lions, northern elephant seals, dolphins and porpoises, and the calves of gray whales. To hunt the sea lions, multiple orcas surrounded a prey animal ...