Catoptrophorus semipalmatus

credit: Mdf/CCSA

ADULT In breeding season is gray-brown overall, but heavily streaked on head and neck, and with dark scallops on lower neck, chest, and flanks. In winter, looks rather uniformly pale gray-brown, palest on underparts. JUVENILE Similar to winter adult, but back and upper wing coverts are washed and spotted yellow-buff with pale spots.

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