Orcas

Orcas off the coasts of Spain and Portugal may be using boats as targets to practice hunting their favorite food, Atlantic bluefin tuna.

Coastguards had to tow a 40-foot-long sailboat back to port after two young orcas severely damaged the boat's rudder near Guilvinec in the French region of Brittany.

Records of orcas hunting sharks in the Gulf of California are on the rise, as experts say we may have underestimated how much this happens.

Orcas off the coast of Iberia are spending less time hunting and more time exploring new games thanks to the recent recovery of their favorite prey, Atlantic bluefin tuna.

A group of orcas known to attack boats in southwest Europe have sunk a 50-foot sailing yacht in the Strait of Gibraltar after ripping open its hull. It is the fifth time these killer whales have sent a ship to the seafloor in the last three years.

Orcas that attack and sink boats in southwestern Europe have been spotted circling a vessel in Spain, hundreds of miles from where they should currently be. And scientists can't explain why.

Rescuers have been trying to coax a 2-year-old orca from a lagoon off Vancouver Island and back to the ocean for five days, but they only have a 30-minute window every day when waters are high.

First of its kind footage captures the moment an orca mom and her son drown a calf in an extremely rare case of infanticide.

An orca's final moments may have been captured on film for the first time, after repeated attempts by two young orcas to keep the old, dying male at the surface so he could breathe.

For the fourth time in two years, a group of unusually brazen orcas in southwestern Europe have sunk a sailing boat after relentlessly attacking it for almost an hour on Halloween.