You got an ancestor that did that too. Part of why platypuses are so damn weird is because mammalian ancestors kept facing evolutionary bottlenecks. Platypuses are more like proto mammals than us placentals
Comment on Platypuses
ramirezmike@programming.dev 1 month agowhat the fuck
captainlezbian@lemmy.world 1 month ago
100_kg_90_de_belin@feddit.it 1 month ago
ICastFist@programming.dev 1 month ago
So I guess that’s partly why most mammals’ milk glands are in the abdomen. Other than primates, I only know that elephants also have mammaries on the breasts