Adult rockhopper penguin (Eudyptes chrysocome moseleyi) going through a catastrophic molt on Nightingale Island in the Tristan da Cunha Island Group, South Atlantic Ocean

bird birds adult rockhopper penguin eudyptes chrysocome rock hopper nightingale island tristan da cunha island south atlantic ocean rockhopper penguin seabird sea bird flightless crested eudyptes nobody one bird single lone close up close ups close ups close up moult moulting