I love sharing interesting and unexpected observations on animal behavior, especially those that are baffling to the scientists themselves. Along these lines, I just learned of a fascinating essay by ...

A pod of orcas were chased by a group of humpback whales off the coast of California, a whale watching company said. Getty Images/iStockphoto A group of orcas was chased by humpback whales off the ...

A group of humpbacks tried to stop orcas from hunting a sea lion off the coast of California, boaters said. Morgan Quimby Monterey Bay Whale Watch Humpback whales were spotted trying to stop orcas ...

A group of orcas was chased by humpback whales off the coast of California, a whale watching company said. On Oct. 11, whale watchers got the chance to see the killer whale pod known as CA51A, along ...