Pooecetes gramineus
- 20.7 × 15.2 mm
- Clutch: 2–6 eggs
Breeds in Canada, United States
Whitish, with variable brown or purplish spots, streaks, and blotches.
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 2, 1968), p. 872.
Agrees with: Cornell Lab of Ornithology, All About Birds: Vesper Sparrow, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Vesper Sparrow, 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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