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Surviving in the Ross Sea

Emperor penguins and Weddell seals are the only marine predators that breath air and live year round in Antarctica Ross Sea. How these two animals are able to live among each other when there diets, hunting depths and area distribution are shared is the question. Ross Sea is called home by six emperor penguin colonies, approximately 180,000 birds, and about 50,000 Weddell seals. It is important, when considering competition between these two species to know that each share above and below water resources however it is below water prey where problems may occur. Several items can be considered to determine true competition overlap. These items include prey selection, using different hunting depths and habitat separation.
Fish account for most of the diet of both predators (99.3 % for seals and 89-95% for penguins). To take it one step further, Pleuragramma antarcticum, or Antarctica silverfish is the primary prey for each. Of the fish consumed, 88.6% of......

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Approximate Word Count: 887
Approximate Pages: 4 (250 words per double-spaced page)

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