Killer whales have sunk three boats off the coast of Spain and Portugal so far this year. But experts agree that the behavior is not malicious.

Orcas have been observed ramming boats and even sinking some of them. But this isn't new. Here's a video from 2014 of a pod of orcas chasing a speedboat.

A quick internet search suggests an almost Hollywood-worthy revenge flick: a boat-scarred, vengeful orca is meting out ...

When three killer whales struck the Lady L, Heath Samples thought a tanker had collided with his yacht, as everyone on board was knocked off their feet. After the orcas repeatedly buffeted the yacht, ...

In another wild instance of orcas attacking ships, three orcas were filmed off the coast of Lisbon, Portugal, going full send on a small boat until the rudder was detached and the vessel started to ...

A terrifying encounter unfolded off the coast of Cascais, Portugal, last week when a pod of killer whales rammed two sailboats, sinking one and crippling another. Nine people were dramatically rescued ...