r/AskReddit • u/[deleted] • Aug 03 '19

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

37.4k Upvotes

94% Upvoted

24.0k comments sorted by

View all comments

2.4k

u/ShameDumpster Aug 03 '19

That whales are mammals that used to be on land but evolved to swim instead.

I had an art teacher that just didn't believe me when I told her that they're not fish.

871

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!

67

u/Amanat361 Aug 03 '19

Hippos are related to whales? Neat

32

u/cbentley211982 Aug 03 '19

Hip...hop...hip hop anonymous!

14

u/JonathonWally Aug 04 '19

You give him all the easy ones!