When you think of top ocean predators, you probably think of sharks. That’s wrong!
Originally orcas, which are the largest members of the dolphin family, where called killer of whales. Then the name transformed into killer whales, leading to people to believe that they belong to the whale family... Well they actually eat whales and sharks as well!
If you'd like to learn more:
https://thewildepisode.com/2021/09/22/orca-the-ultimate-predator/
Check out all of the episodes. Each one is fascinating in its own right. Probably my favorite podcast; definitely my favorite to wind-down with.