Why Are Red-breasted Nuthatches Irrupting?
10,000 Birds
OCTOBER 1, 2012
Bird bloggers from Wisconsin to Massachusetts. Check out this graph adapted from eBird that shows the frequency of sightings in the United States in 2012 – Red-breasted Nuthatches are showing up on birders’ checklists just over sixteen percent of the time! No lemmings left in the north? .”
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