Orcas have long been categorized as a single species, although some scientists have questioned this classification in recent decades. Now, researchers propose that two orca populations in the ...

The Center for Whale Research confirmed Sunday that the new orca calf in the J pod, J62, is female. During a sighting on Feb. 8, researchers said J62 appeared to be “doing well” and is ...

A 16-ft. female beaked whale of the genus Mesoplodon, family Ziphiidae, drifted ashore at Delmar, about 15 miles north of San Diego, California, on June 10, 1954, One of us (R. M. G.) made body ...