Two mass strandings involving hundreds of dolphins in Argentina probably happened because the pods were being hunted by orcas ...

In 2021 and 2023, hundreds of dolphins were stranded in shallow waters in San Antonio Bay in northern Patagonia. Some died, ...

Getting close to a stingray is risky, even for an accomplished predator such as an orca. They are not called stingrays for ...

Ask anyone who’s had encounters with killer whales, and they will tell you just how smart they are. Orcas are incredibly ...

Magdalena Arias of Argentina’s National Scientific and Technical Research Council explains, News.Az reports, citing foreign ...

A dolphin murder mystery is playing out on Patagonia’s shores: multiple mass strandings, with scores of dolphins washing up for no easily discernable reason. In one such event in 2021, for example, 52 ...

A dolphin breaking the surface for air can seem like a reminder of its mammalian past. But evolution is not nostalgia. The ...

Biologists have seen signs of orca-on-orca predation in the North Pacific, and such cannibalism may explain why some orcas travel in large family groups. Two distinct subspecies of orcas, also called ...

Two groups of killer whales are engaging in a terrifying, bloody cannibalistic war beneath the ocean’s surface, where gangs ...

Orcas appear in Vancouver Harbour from time to time and often delight residents who catch a glimpse of them. But marine ...

Blue whale calves enter the world already the size of a bus, yet they still face danger. A hungry killer whale sees a slow, ...