Amphispiza bilineata
- 17.2 × 13.3 mm
- Clutch: 2–5 eggs
Breeds in United States, Mexico
White to bluish white.
Sources of information
- Size
- Dawson 1923, quoted in Bent, Life Histories of North American Cardinals, Grosbeaks, Buntings, Towhees, Finches, Sparrows, and Allies (U.S. National Museum Bulletin 237, Part 2, 1968).
Agrees with: Cornell Lab of Ornithology, All About Birds: Black-throated Sparrow, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Black-throated Sparrow, Life History.
- 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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