Whale watcher Cathy Sharp captured photos of ... While mammal-eating transient killer whales are more commonly seen off Oregon from April to June — coinciding with harbor seal pupping season ...

For the first time, a group of killer whales has been documented preying upon a prickly shark, a rare deep-sea dweller, according to a study published on March 20 in the journal Frontiers in Fish ...

Scientists say the implications of a killer whale hunting solo ... which could face more danger from cape fur seals — as great white sharks usually hunt the seals. "These are groundbreaking ...