The back legs of an echidna face backwards too! https://ielc.libguides.com/sdzg/factsheets/short-beaked-echidna/characteristics https://ielc.libguides.com/sdzg

The back legs of an echidna face backwards too! https://ielc.libguides.com/sdzg/factsheets/short-beaked-echidna/characteristics https://ielc.libguides.com/sdzg/factsheets/short-beaked-echi...