TIL Birds and crocodilians (the order containing both alligators and crocodiles) share a common Clade classification group called Archosauria (lit. 'ruling reptiles'). This indicates they shared a common ancestor around 250 million years ago, along with many kinds of dinosaurs.

https://en.wikipedia.org/wiki/Archosaur
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gcr7nr/til_birds_and_crocodilians_the_order_containing/