Chinstrap Penguin

The chinstrap penguin (Pygoscelis antarcticus) is a penguin species that inhabits various islands and shores in the Southern Pacific and the Antarctic Oceans. Its name stems from the narrow black band under its head, which makes it appear to wear a black helmet. Other common names include ringed penguin, bearded penguin, and stonecracker penguin. It is known for its loud, harsh call. == Taxonomy == This species was initially given the scientific name Aptenodytes antarctica by Johann Reinhold Forster in 1781, placing it in the same genus as the king and emperor penguins. In 1990, Graham Turbott transferred this species into the genus Pygoscelis, together with the Adélie and gentoo penguins. This gave it the new name P. antarctica. However, this is an orthographic error due to the disagreement in Latin grammar between Antarctica and its assigned genus. The corrected form, P. antarcticus, is the currently accepted name for this species. == Description == The chinstrap penguin grows to a length of 68–76 cm (27–30 in) and a weight of 3.2–5.3 kg (7.1–11.7 lb), varying with the time of year. Males are greater in weight and height than females. The adult chinstrap's flippers are black with a white edge; the…