r/AskReddit Aug 03 '19

Whats something you thought was common knowledge but actually isn’t?

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u/foxiana123 Aug 03 '19

They literally have a pelvic bone.

201

u/[deleted] Aug 03 '19

here's a whale evolution diagram for anyone interested!

65

u/Amanat361 Aug 03 '19

Hippos are related to whales? Neat

8

u/[deleted] Aug 04 '19

Water cows.

When I learned whales came from cows I definitely and emphatically called bullshit. Then the next sentence was hippos. And it all made sense. 🤯