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Birding Nonggang, Guangxi, China – part 2

10,000 Birds

If you have always wondered what the minimum anesthetic concentration for isoflurane and sevoflurane for the Crested Serpent-eagle is, science has an answer. Another member of the magpie family, the White-winged Magpie , makes do with far fewer colors. Apparently, if exposed to sunlight, the green of the magpie plumage may turn blue.

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A Strategic Arms Race Among Birds

10,000 Birds

In the former, a female lays her fertilized egg in the nest of another species, in the hopes that her offspring will be raised by the unwitting hosts. In the latter, three or more adult individuals contribute to the raising of offspring. Science (New York, N.Y.), doi:10.1126/science.1240039. Somveille, M., Heinsohn, R.,

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