Mammals with pouches are “more evolved” than humans – sort of

A photo of a koala with a joey on its back.

Pouched mammals, like kangaroos and koalas, have a radical evolutionary history that suggests they’re “more evolved” than previously thought, a new study says.

According to the new study, marsupials were once thought to be an evolutionary stepping stone between egg-laying mammals, the monotremes, like platypuses, and placental mammals, like humans. While modern science now recognizes that marsupials and placentals evolved from a common ancestor around 160 million years ago, the authors argue that marsupials retain a slight stigma from when they were classified as intermediaries.

#Mammals #pouches #evolved #humans #sort

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