RELATED: Endangered orcas’ circle of life: one baby dies, another is born The researchers say knowing which whales are pregnant or have miscarried can help scientists better understand why so ...

In the first known toolmaking by a marine mammal, southern residents have been documented detaching lengths of seaweed and ...

Yes, inbreeding happens, and its effects on the population are still being researched. More tools are needed to help these struggling orcas — one is a better database based on SRKW with multiple ...

The same southern resident orca that famously carried her dead calf for over two weeks in 2018 has lost another one. Marine biologists fear inbreeding is weakening the endangered pod of some 30 ...

The genome of a once-endangered songbird shows extensive signs of inbreeding, according to a new study. Because inbreeding can negatively impact survival and reproduction, the results could guide ...

On Monday, tourists and researchers on a tour boat at Bremer Canyon witnessed a pod of over 60 orcas hunt and kill a roughly 59-foot-long (18-meter-long) pygmy blue whale, as reported by Australia ...

In 2018, an orca in Washington dubbed J35 by scientists made global headlines when she carried her dead baby on her nose for 17 days. The same orca has just lost another calf.