成鳥 (Interior) © Chris Thomas
成鳥 (Interior) © John Petruzzi
成鳥 (Interior) © Jay McGowan
成鳥 (Atlantic Coast) © Davey Walters
+ 5
成鳥 (Interior) © John Petruzzi
幼鳥 (Atlantic Coast) © David McCorquodale
幼鳥 (Atlantic Coast) © Steven McGrath
成鳥 (Atlantic Coast) © Davey Walters

Nelson's Sparrow Ammospiza nelsoni

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辨識

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This bright sparrow has multiple disjunct populations; inland breeders are generally brighter than coastal breeders. Atlantic birds have a duller buffy face and breast with blurry gray streaking; Interior birds are brighter orange with crisper black streaking. Similar to Saltmarsh Sparrow but shows less contrast between the face, throat, and breast and has a shorter blue-gray bill. Inland birds can be confused with LeConte's Sparrow but note clean gray nape and gray, not white, stripe in crown. Conspicuous when singing, otherwise secretive. Its song is a simple hiss like water sizzling in a frying pan. Winters in coastal marshes along most of Atlantic seaboard and Gulf Coast.

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