NOT KNOWN DETAILS ABOUT WESTERN GRAY KANGAROO

Endothermy is a synapomorphy in the Mammalia, even though it could possibly have arisen within a (now extinct) synapsid ancestor; the fossil record isn't going to distinguish these options. Convergent in birds. Kangaroos have also been showcased on coins, most notably the 5 kangaroos over the Australian one particular greenback coin. The Australia