Macaroni penguins resemble Rockhopper penguins but they are larger birds, length: 69-76 cm (27-30 inches) the yellow plumes meet and begin on the forehead to sweep back and out over the eyes. The bill is heavier and darker orange-brown.
Diet is krill and small fish caught by pursuit diving. Most numerous of all penguins, the Macaroni breeds in the southern South Atlantic where it favours the cooler sub- Antarctic islands and the Antarctic Peninsula . There are huge colonies on South Georgia and other islands of the Scotia Arc. It also breeds on islands off Cape Horn and to 50°S on islands off Chile. A few pairs breed on the Falkland Islands.
The International Union for Conservation of Nature lists Macaroni penguins as 'Vulnerable'.
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