Evolution Down Under
Australia's extant marsupials and monotremes, represented here by a kangaroo and an echidna, squeaked past the last multi-species extinction. If it comes to it, can they do so again?
Australia's extant marsupials and monotremes, represented here by a kangaroo and an echidna, squeaked past the last multi-species extinction. If it comes to it, can they do so again?