Prior to this instance, the “tongue-nibbling” had only been observed a handful of times in captivity. First seen in captive ...

Orca mothers are known from previous research to provide their female offspring with less support than their male offspring, especially after daughters reach adulthood. The team looked at data ...

The adult male killer whale Moctezuma and five other killer whales (two adult females, two juveniles, one calf), in the vicinity of the juvenile whale shark, measuring around 6 meters.

A new study has found that male southern resident killer whales are less likely to get scraped up by other whales when they have their post-menopausal mothers by their sides.

Previous killer whale attacks on the sharks involved multiple orcas — including Starboard’s partner, another male named Port — and took up to two hours, the researchers wrote.

Recently, a male orca known as J27, or “Blackberry,” was photographed in Washington’s Puget Sound wearing a salmon on his head, and many observers declared that the trend had returned.

Scientists witnessed a male orca known as Starboard single-handedly kill a juvenile great white shark within minutes last year. They say this hunting behavior could be a sign of a wider shift in ...

A male orca known as Moctezuma approached a whale shark that was still moving and upside down at the surface. (Video: Eduardo Miranda) Although they are known as killer whales, orcas are actually ...

One fashion trend from the ’80s may be making a comeback – at least with killer whales. An orca has been spotted wearing a salmon hat for the first time since 1987.

A fully grown male orca is one of the planet’s fiercest hunters. He’s a wily, streamlined torpedo who can weigh as much as 11 tons. No other animal preys on him.

Scientists saw a male orca kill a juvenile great white shark within minutes last year. The hunting behavior could be a sign of a wider shift in the marine ecosystem.