Monthly Archives: November 2011

Snow geese and mismatch in a warming Arctic

Posted on November 29, 2011 by

The cold, harsh Arctic environment imposes major limits on life. But warming could also create problems and even affect the population dynamics of greater snow geese, Chen caurelescens atlantica, one of North America’s most northerly breeding geese. Greater snow geese, … Continue reading →

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Climate change and mountain vultures

Posted on November 18, 2011 by

In Africa, the response of some vulture populations suggests how climate change may directly affect birds in their mountain refuges. Many vulture populations are already declining in the face of a range of human threats, prominent among them poisoning via … Continue reading →

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New evidence of ramped-up range shifts

Posted on November 9, 2011 by

Recent articles in Nature and Science emphasise the rapid range shifts underway for birds, as well as mammals, fish, plants and other groups of living things. In Science, a study by I-Ching Chen and colleagues shows that organisms are shifting toward … Continue reading →

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