8 Comments TIL there’s a group of mammals that don’t give live birth and lay eggs instead. They’re called monotremes by whatilearned January 12, 2022, 10:07 pm 12 Points Upvote Downvote
8 Comments TIL that long-beaked echidnas have four-headed penises and are known as monotremes, meaning egg laying mammals. This perhaps hints at early mammalian evolution from reptiles. These guys are sadly critically endangered owing to habitat loss! by whatilearned December 10, 2021, 11:58 am 12 Points Upvote Downvote
Monotremes are mammals that lay eggs. by Cool Facts Guy May 25, 2019, 4:03 am 0 Points Upvote Downvote
Monotremes are mammals that lay eggs. by Cool Facts Guy April 4, 2019, 12:57 am 0 Points Upvote Downvote