Adult male Willow Ptarmigan (Lagopus lagopus) vocalizing in spring. Males retain the white body plumage of winter plumage and molt the head and neck feathers to the russet brown summer plumage during the spring courtship period. Seward Peninsula, Alaska. May.
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Adult male Willow Ptarmigan (Lagopus lagopus) vocalizing in spring. Males retain the white body plumage of winter plumage and molt the head and neck feathers to the russet brown summer plumage during the spring courtship period. Seward Peninsula, Alaska. May.