A lone molting adult chinstrap penguin (Pygoscelis antarctica) in tussock grass on Prion Island in the Bay of Isles near South Georgia Island, South Atlantic Ocean.

bird birds chinstrap penguin pygoscelis antarctica chick chicks prion island bay of isles south georgia island south atlantic ocean chinstrap penguin pygoscelidae seabird sea bird flightless one bird single lone young juvenile moult moulting tussock grass grass feather feathers rock rocks stand standing nobody