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Migration and Global Warming (North American Birds)

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Anonymous
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Migration and Global Warming (North American Birds)

Interesting articles abound on the web and in the news as we anticipate Spring migration (especially of warblers here in NYC):

http://www.usatoday.com/weather/climate/globalwarming/2007-03-18-birds-winter_N.htm

http://www.abcbirds.org/climatechange/

I thought it was unusual to see so many Goldfinches in our park this January. There is more competition for food with species overlappingn and staying North longer.