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Science 30 March 2001:
Vol. 291. no. 5513, p. 2532
DOI: 10.1126/science.291.5513.2532
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News of the Week

CLIMATE CHANGE:
Early Birds May Miss the Worms

Elizabeth Pennisi

A long-term study has provided new insight into potential short-term consequences of global climate change. On page 2598, researchers describe the energetic costs to birds that fail to breed where and when their food is in peak abundance. The work suggests that animals could be caught in a race against time as they evolve to adjust to shifts in the seasonal availability of food sources brought about by climate change.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)