Journal
POLAR BIOLOGY
Volume 30, Issue 5, Pages 659-661Publisher
SPRINGER
DOI: 10.1007/s00300-007-0259-1
Keywords
chinstrap penguin; chinstrap populations; Antarctic birds
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We examined the breeding populations of chinstrap penguins (Pygoscelis antarctica) on Chabrier Rock and Shag Island within Admiralty Bay, King George Island, South Shetland Islands, Antarctica from 2002 to 2004. When comparing our results to historic data from 1979, we found an overall decline of 57% in the last 25 years, mirroring the population trend of this species in other regions of the Antarctic Peninsula. Our results are discussed in relation to factors hypothesized to be driving the declines found at other sites, as well as the importance of consistent annual censuses to accurately determine population trends.
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