Close up shot of a young joey drinking the milk from the Kangaroo pouch of a mother lying down and resting on the ground at daytime

red kangaroo macropus rufus eastern grey australia australian species national park queensland marsupial animal natural habitat wildlife conservation victoria sanctuary currumbin healesville zoo moonlit sydney lone pine koala osphranter giganteus young brisbane wild joey mother little pouch marsupium milk feed drink food diet rest lying family baby child mammal nutrition new south wales