• PGN0081
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  • PGN0081. Adelie penguins Pygoscelis adeliae return to rookery, to replace mates that are brooding nest, Antarctica
  • PGN_SS_0002
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  • PGN_SS_0002. Adelie penguin Pygoscelis adeliae at rookery, parent regurgitates food for chick, Cape Royds, Antarctica
  • PGN_SS_0001
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  • PGN_SS_0001. emperor penguins Aptenodytes forsteri on ice edge, males brood eggs during winter, Antarctica