Sphyrapicus nuchalis
- 22.89 × 17.28 mm
- Clutch: 3–7 eggs
Breeds in Canada, United States
White.
Sources of information
- Size
- Average of 40 eggs: Bent, Life Histories of North American Woodpeckers (U.S. National Museum Bulletin 174, 1939), p. 144.
Agrees with: Cornell Lab of Ornithology, All About Birds: Red-naped Sapsucker, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Red-naped Sapsucker, Life History.
Drawing checked against a photo: Bird Eggs of Canada photo (Royal Alberta Museum). - Clutch
- Cornell Lab of Ornithology, All About Birds.
- 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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