People were stunned when a video emerged of an orca (Orcinus orca) swimming backwards in Howe Sound, Canada.
There’s a rather gruesome reason that transient killer whales – which hunt marine mammals – might 'moonwalk’ like this, zoologist Anna Hall told CBC News:
“It’s thought that perhaps that it’s part of a prey sharing event. It’s a little bit gruesome,” she says. “They could be ripping a prey species into species to share amongst the family members.”
- Do orcas go through the menopause?
- Orcas are now hunting whale sharks – and they're doing it in an astonishing way
Top image: Orca, Vancouver Island (not the individual filmed 'moonwalking')
More amazing wildlife videos from around the world
- Rare and sacred animal filmed in remote Saudi Arabian mountains
- "Blows my mind”: when this drone pilot saw a baby whale off the coast of Australia, he wasn’t expecting it to do this
- 16ft great white shark found with perfectly circular hole in head – and we know exactly what caused it
- Something remarkable was just filmed at this decaying whale carcass in Hawai'i
