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The rockhopper, like its larger relative the macaroni (and several other congeneric 'crested' penguins) sports an elaborate set of head plumes. Both sexes are identically decked out, so I don't know the sex of this bird. It showed up for a few days in the Adelie penguin colony on Torgersen Island, near the U.S. research base at Palmer Station off the Antarctic Peninsula. This is far south of the rockhopper's normal breeding range, and I felt lucky to have seen him (or her). |
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