• PGN0017
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  • PGN0017. emperor penguins Aptenodytes forsteri and glacier front, males brood eggs during winter, Antarctica
  • PGN0018
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  • PGN0018. emperor penguins Aptenodytes forsteri and glacier front, males brood eggs during winter, Antarctica
  • PGN0019
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  • PGN0019. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0020
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  • PGN0020. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0021
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  • PGN0021. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0022
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  • PGN0022. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0023
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  • PGN0023. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0024
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  • PGN0024. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica (MR avail)
  • PGN0025
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  • PGN0025. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica (MR avail)
  • PGN0026
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  • PGN0026. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0027
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  • PGN0027. emperor penguins Aptenodytes forsteri seeking rookery, may walk 100 miles to reach rookery, Antarctica
  • PGN0028
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  • PGN0028. emperor penguin Aptenodytes forsteri rookery, parents can recognize chick’s call among 50,000 birds in colony, Cape Washington, Antarctica
  • PGN0029
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  • PGN0029. emperor penguins Aptenodytes forsteri displaying, calls are used to recognize each other and form pairs for mating, Antarctica
  • PGN0030
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  • PGN0030. emperor penguins Aptenodytes forsteri displaying, calls are used to recognize each other and form pairs for mating, Antarctica
  • PGN0031
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  • PGN0031. emperor penguin Aptenodytes forsteri chicks call to parents for food, parents can recognize chick’s call among 50,000 birds, Antarctica
  • PGN0032
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  • PGN0032. emperor penguin Aptenodytes forsteri chicks call to parents for food, parents can recognize chick’s call among 50,000 birds, Antarctica