Penguins
How warming seas are threatening the most recognizable and loveable birds in the world
Contributed by Eldon Greij
Published:
December 28, 2009
Founding Editor Eldon Greij describes how warming sea-surface temperatures are reducing the extent of sea ice in the foraging area of ice-loving penguins and contributing to a dramatic decline in the crustacean known as krill, which makes up the bulk of the penguins' diet. Only two penguin species live on the Antarctic continent (Emperor and Adélie) and two more live on the Antarctic Peninsula (Gentoo and Chinstrap), but all penguin species rely on cold to cool water and more than half are considered near threatened, vulnerable, or endangered.
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