Lagopus lagopus
- 43 × 31 mm
- Clutch: 4–14 eggs
Breeds in Canada, United States
Yellowish to reddish buff, heavily blotched and spotted with dark reddish brown to black.
Sources of information
- Size
- Average of 250 eggs: Bent, Life Histories of North American Gallinaceous Birds (U.S. National Museum Bulletin 162, 1932), p. 182.
Agrees with: Cornell Lab of Ornithology, All About Birds: Willow Ptarmigan, Life History. - Description
- Bent, Life Histories of North American Gallinaceous Birds (U.S. National Museum Bulletin 162, 1932), p. 182.
Drawing checked against a photo: Bird Eggs of Canada photo (Royal Alberta Museum). - Shape
- Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).
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