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Issues: Global Warming
Polar Thaw: Global Warming in the Arctic and Antarctic
Photographs from 'World View of Global Warming' by Gary Braasch
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Adelie penguins search for krill -- small shrimp-like crustaceans that serve as the staple of the penguins' diet -- along the sea ice edge. Krill develop under the seasonal pack ice where they feed on algae. Years of low sea ice may mean less krill, a problem for the many Southern Ocean species that rely on this food source, including whales. This penguin wears a radio transmitter that provides information on how long it takes to forage when there is less sea ice. Back to introduction | Previous page | Next page All photos © Gary Braasch | ||||||
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