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Published online 6 April 2001 | Nature | doi:10.1038/news010404-18
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Digest readers draw crude conclusions
Diet-based estimates of the health and environmental impact of the heavily hunted Pacific walrus could be skewed. Conservationists peering at stomach contents as a proxy for population health, do not get an accurate picture of walrus diet because these one-tonne, three-metre long mammals digest different parts of their dinner at different rates, a new study suggests1.
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