Chinstraps are easily distinguished by the thin black stripe across the bottom of the throat - the infamous chinstrap.
Chicks have grey backs and white fronts.
Height Adult chinstraps are70 to 75 cm tall. The weight of chinstraps varies through the year, being highest prior to moulting and lowest while rearing the chicks. Typical weights are 3.5 to 5 kg. Breeding locations Chinstraps breed on sub-Antarctic islands and on the Antarctic Peninsula. Chinstraps breed in very large colonies.