THE 5-SECOND TRICK FOR WESTERN GREY KANGAROO

Endothermy is usually a synapomorphy on the Mammalia, even though it may have arisen inside of a (now extinct) synapsid ancestor; the fossil record won't distinguish these alternatives. Convergent in birds. Kangaroos and wallabies belong to the exact same taxonomic family (Macropodidae) and often exactly the same genera, but kangaroos are exclusiv