Sumatran elephant family with calf at Yogyakarta zoo are eating grass

sumatran elephant elephant zoo family baby elephant calf yogyakarta eat grass indonesia gembira loka java endangered large behavior move adult animal mammal three day sunlight full body species no people nobody tracking shot preservation captivity conservation outdoor brown asian big trunk huge tuskless feed grey small asiatic gentle group population herbivore pachyderm elephas maximus parent megafauna