Rock Ptarmigan. 1. Male in Winter plumage. 2. Female, Summer plumage. ...
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Blue Heron. 1. Male adult Spring plumage. 2. Young second Year.
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Machetes pugnax. Ruff and Reene in first-autumn plumage.
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Pelinda cinclus. (Summer plumage). Dunlin (summer plumage).
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Purple Gallinule. Adult Male, Spring plumage.
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Sanderling Sandpiper. 1. Winter plumage. 2. Summer.
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Yellow-crowned Night Heron, or Qua Bird. 1. Adult Male Spring plumage....
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Semipalmated Sandpiper. 1. Summer plumage. 2. Winter.
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Adult Phalarope. 1. Adult. Male. 2. Winter plumage.
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Charadrius pluvialis. Summer plumage. Golden Plover (summer plumage).
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Red-backed Sandpiper. 1. Summer plumage. 2 Winter.
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Calobates sulphurea. (Winter plumage) Grey Wagtail.
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Charadrius pluvialis. Winter plumahe. Golden Plover (winter plumage).
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Phalaropus fulicarius. Winter plumage. Grey Phalarope (winter plumage)...
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Red-breasted Sandpiper. 1.Summer plumage. 2. Winter.
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Hudsonian Godwit. 1. Male, 2. Female Summer Plumage.
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Great American White Egret. 1. Male Spring Plumage. 2. Horned Agama Ta...
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Painted Bunting. 1.2. 3. Males in different states of plumage. 4. Fema...
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Indigo Bunting. 1.2. 3. Males in different states of plumage. 4. Femal...
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Common Tern. Male Spring Plumage.
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Red-throated Diver. 1. Male Summer Plumage. 2. do Winter. 3. Female. 4...
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Calobates sulphurea. (Summer plumage). Grey Wagtail .
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White-tailed Ptarmigan. Adult in Winter plumage.
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Semipalmated Snipe, Willet or Stone Curlew. 1. Male Spring plumage. 2...
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Shore Lark. 1. Male, Summer plumage. 2. D-o Winter. 3. Female. 4. Youn...
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American Golden Plover. 1. Summer plumage, 2. Winter, 3. Variety in Ma...
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Pelinda cinclus. (Winter plumage). Dunlin (winter plumage).
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Phalaropus fulicarius. Summer plumage. Grey Phalarope (summer plumage)...
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Turnstone. 1. Summer plumage, 2. Winter.
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Red-breasted Snipe. 1. Spring Plumage. 2. Winter.
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Red-necked Grebe. 1. Adult Male Spring Plumage. 2. Young Winter Plumag...
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Lagopus mutus. Autumn plumage. Ptarmigan (autumn plumage).
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Fulmar Petrel. Adult Male Summer plumage.
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Black Guillemot. 1. Adult. - Summer Plumage. 2. Adult in Winter. 3.You...
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Lagopus mutus. Summer plumage. Ptarmigan (summer plumage).
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Reddish Egret. 1. Adult, full Spring Plumage. 2. Young in full Spring ...
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Long-tailed Duck. 1. Male, Summer Plumage. 2. Male in Winter. 3. Fe...
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Black-headed Gull. 1. Adult Male Spring Plumage. 2. Young first Autumn...
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Lapland Lark Bunting. 1. Male, Spring plumage. 2. D-o Winter. 3. Femal...
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American Avoset. Young in first Winter Plumage. Adult in the Distance.
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Squatarola helvetica. Plumage of Winter and young of the year.
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Little Sandpiper. 1. Male. Summer plumage. 2. Female.
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Yellow Shank Tatler. Male, Summer plumage.
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Great White Heron. Male adult, Spring Plumage.
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