The pod of killer whales that showed up Thursday, Jan. 30, have only been documented less than 10 times since 1993.

Similar behavior can also be seen in other socially cohesive animals with relatively long life spans, such as primates and dolphins, he added. Calf mortality is high: Only about 1 in 5 orca ...

He noted that such behaviour is also seen in other long-lived, socially complex animals like dolphins and primates. According to the Centre for Whale Research, Orca calf mortality is high ...

Their black and white markings ... look like male orca – these have huge and unmistakable dorsal fins. "There is nothing to get a sense of scale – orca are much larger than common dolphins ...

Researchers detail a life full of tragedy and hardship, adding that Ocean Sun should’ve died years ago, but she persevered.

A white Risso’s dolphin known to frequent Monterey Bay looked especially luminous Saturday during an extraordinary Southern ...

Alisa Schulman-Janiger, a researcher, helped Trowbridge determine, based on fin markings, that the dolphin was Casper ... just days after a white killer whale named Frosty was spotted with ...

Monterey Bay Whale Watch said more than 1,500 dolphins were spotted by the company's scouting boat when it went out to ...

Heartbreaking video shows dolphins stuck in a miniscule tank in ... while simultaneously being treated like jailed criminal.