Scientists believe that the kissing-like behavior likely reinforces "social bonds" between the animals Scientists have recorded the wild orcas engaging in "tongue-nibbling" — a social behavior similar ...

Orcas, commonly known as “killer whales,” love liver — especially great white shark liver. Footage shot in Mexico by ...

Despite their reputation as 'killer' whales, orcas are known to lend a helping fin by sharing their food with humans. A recent study recorded and analyzed 34 instances of prey-sharing by orcas ...

Wild orcas occasionally approach humans and offer us food, according to a new study — but scientists aren't sure why. Researchers have documented dozens of cases of orcas (Orcinus orca), also known as ...

SEATTLE — The endangered killer whales of the Pacific Northwest live very different lives from orcas in captivity. They swim up to 100 miles (161 kilometers) a day in pursuit of salmon, instead of ...

When researcher Jared Towers set up his cameras underwater to observe a pair of killer whales, he saw something strange. She closed her mouth, paused, apparently watching for Towers’ reaction and hung ...

Blake Foster, a senior zoological specialist at SeaWorld San Diego. Courtesy photo Building on 60 years of marine animal rescue and education, SeaWorld San Diego recently unveiled its “next generation ...

Bernardo Quieroz, a manager at the Mercedes-Benz Oceanic Lounge, which led the tour, suspected it might be orcas. While filming the boat, he noticed three of the marine mammals swimming alongside the ...