Odd Couple of the Deep: B.C. Dolphins Hang out With Killer Whales

Pacific white side dolphins are seen swimming just outside of the Nanaimo Harbour on Vancouver Island, B.C. Oct. 26, 2013. Scientists observed the dolphins hanging around resident killer whales during summer 2018. The Canadian Press/Jonathan Hayward

VANCOUVER—Drone flights have revealed an odd couple of the deeps.

Scientists from the Vancouver Aquarium released video footage of dolphins hanging around pods of killer whales, two species that are usually more like predator and prey than Felix and Oscar.