Persian onager grazing in its habitat at Miami Metrozoo

Persian onager walking past boulders in its habitat at Miami Metrozoo

Persian onager and its young in their habitat at Miami Metrozoo

Persian onager and its young resting on a hill in their habitat at Miami Metrozoo

Persian onager standing in the sand at Miami Metrozoo

Three Sumatran orangutan playing on the grass in their habitat at Miami Metrozoo

Mother and infant Sumatran orangutan playing in the grass at Miami Metrozoo

Mother and infant Sumatran orangutan playing on a hillside at Miami Metrozoo

Infant Sumatran orangutan laying in the grass in its habitat at Miami Metrozoo

Infant Sumatran orangutan laying in the grass of a hill in its habitat at Miami Metrozoo

Mother and her infant Sumatran orangutan playing on a hillside at Miami Metrozoo

Mother Sumatran orangutan play biting her infant's foot in their habitat at Miami Metrozoo

Adult Sumatran orangutan sitting beside a wooden pillar in its habitat at Miami Metrozoo

Adult male Sumatran orangutan sitting in the shade of a rock-face at Miami Metrozoo

Adult male Sumatran orangutan seated beside a rock-face in its habitat at Miami Metrozoo

Sumatran orangutan playing in the sand by the rock-face in its habitat at Miami Metrozoo

Young Sumatran orangutan laying in the shade in the grass of its habitat at Miami Metrozoo

Sumatran orangutan laying on its stomach by the rock-face of its habitat at Miami Metrozoo

Sumatran orangutan laying on its stomach looking at the ground at Miami Metrozoo

Sumatran orangutan picking its teeth as it walks through its habitat at Miami Metrozoo