Vesper Sparrow Pooecetes gramineus
10,000 Birds
NOVEMBER 2, 2011
Any day of birding in New York State that includes a sighting of a Vesper Sparrow is a better-then-average day. The precipitous plunge of Vesper Sparrow populations has been largely because of changing land use practices. What has caused the decline? What has caused the decline?
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