Thursday, January 31, 2013

Butterflies Booking It North as Climate Warms

Butterflies from the southern US that used to be rare in the northeast are now appearing there on a regular basis. The trend correlates to a warming climate report the authors of a paper in Nature Climate Change. Subtropical and warm-climate butterflies—including the giant swallowtail (photo above) and the zabulon skipper (photo below)—showed the sharpest population shift to the north. As recently as the late 1980s these species were rare or absent in Massachusetts.


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10:43 PM  

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