How is a kangaroo adapted to its hot environment?

Kangaroos are essentially nocturnal. They are more active in the cooler hours of the early morning and the late afternoon. During the heat of the day they are more sedentary, lying around quietly and chewing their cud.

In hot weather, kangaroos use saliva to cool down, licking their forearms where there is little muscle tissue and blood veins run close to the surface. When the saliva evaporates from the fur, it cools down the kangaroo