Spinus tristis
- 16.2 × 12.2 mm
- Clutch: 2–7 eggs
Breeds in Canada, United States
Pale bluish white, sometimes with small faint brown spots around large end.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Cardinals, Grosbeaks, Buntings, Towhees, Finches, Sparrows, and Allies (U.S. National Museum Bulletin 237, Part 1, 1968), p. 456.
Agrees with: Cornell Lab of Ornithology, All About Birds: American Goldfinch, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: American Goldfinch, Life History.
Drawing checked against a photo: Bird Eggs of Canada photo (Royal Saskatchewan 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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