Chipping Sparrow, Spizella passerina
Chipping Sparrow, male, 5/10/05, Beech Forest, Provincetown, MA
Chipping Sparrow, male, 5/10/07, Beech Forest, Provincetown, MA
Chipping Sparrow, non-breeding plumage, 10/15/08, Half Moon Bay, San Mateo Co
Chipping Sparrow, first winter, 10/15/08, Half Moon Bay, San Mateo Co
The striping on the breast identifies the bird above as a first-winter.
Chipping Sparrow, 8/14/08, Stratford, Ontario
Chipping Sparrow,  6/19/05, Yuba Pass summit, Sierra Co
Chipping Sparrow, 6/11/08, Cemetery Road, Sierraville, Sierra Co
Chipping Sparrows, non-breeding plumage, 1/29/09, Jeffrey Fontana Park, San Jose
Chipping Sparrow, breeding plumage, 1/29/09, Jeffrey Fontana Park, San Jose
The bird on the left had a crown apparently fully-moulted to alternate January, while the three basic plumage birds above were in the same small over-wintering flock. Chipping Sparrow is known to have an unusual and individually variable start and stop moult sequence in late winter.
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