15 eggs at true relative size, from the 17.4 mm egg of the Bell's Vireo to the 26.7 mm egg of the Northern Shrike.
About this collection. These eggs cover most of the birds that nest in Canada and the United States, plus a few famous eggs from elsewhere, like the Ostrich and the extinct Elephant Bird. It isn’t every bird in the world yet; we’ll update this note as the collection grows.

Bell's Vireo
Vireo bellii
- 17.4 × 12.6 mm
- Clutch: 2–4 eggs
White with sparse spotting.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 257.
Agrees with: Cornell Lab of Ornithology, All About Birds: Bell's Vireo, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Bell's Vireo, 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).

Black-capped Vireo
Vireo atricapilla
- 17.6 × 13.1 mm
- Clutch: 2–5 eggs
Smooth and white.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 224.
- Description
- Cornell Lab of Ornithology, All About Birds: Black-capped Vireo, 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).

Black-whiskered Vireo
Vireo altiloquus
- 21 × 15.1 mm
- Clutch: 2–4 eggs
White with a few small brown dots.
Sources of information
- Size
- Average of 43 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 318.
- Description
- Cornell Lab of Ornithology, All About Birds: Black-whiskered Vireo, 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).

Blue-headed Vireo
Vireo solitarius
- 19.5 × 14.4 mm
- Clutch: 3–5 eggs
Creamy white with sparse dark spots around larger end.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 295.
Agrees with: Cornell Lab of Ornithology, All About Birds: Blue-headed Vireo, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Blue-headed Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Cassin's Vireo
Vireo cassinii
- 19.4 × 14.3 mm
- Clutch: 3–5 eggs
Whitish with a few brown spots around large end.
Sources of information
- Size
- Average of 40 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 314.
Agrees with: Cornell Lab of Ornithology, All About Birds: Cassin's Vireo, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Cassin's Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Gray Vireo
Vireo vicinior
- 18 × 13.5 mm
- Clutch: 2–4 eggs
White with variable amount of small spots.
Sources of information
- Size
- Average of 31 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 272.
- Description
- Cornell Lab of Ornithology, All About Birds: Gray Vireo, 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).

Hutton's Vireo
Vireo huttoni
- 18 × 13.2 mm
- Clutch: 1–5 eggs
White with a few small brown dots.
Sources of information
- Size
- Average of 40 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 244.
Agrees with: Cornell Lab of Ornithology, All About Birds: Hutton's Vireo, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Hutton's Vireo, 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).

Loggerhead Shrike
Lanius ludovicianus
- 24.2 × 18.7 mm
- Clutch: 5–6 eggs
Grayish buff, marked with gray to yellowish-brown.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 136.
Agrees with: Cornell Lab of Ornithology, All About Birds: Loggerhead Shrike, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Loggerhead Shrike, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Northern Shrike
Lanius borealis
- 26.7 × 19.5 mm
- Clutch: 4–9 eggs
Grayish or greenish white, heavily marked with brown spots and blotches.
Sources of information
- Size
- Average of 31 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 115.
Agrees with: Cornell Lab of Ornithology, All About Birds: Northern Shrike, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Northern Shrike, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Philadelphia Vireo
Vireo philadelphicus
- 19.2 × 14 mm
- Clutch: 3–4 eggs
White and spotted with rusty, dark brown, or black.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 353.
Agrees with: Cornell Lab of Ornithology, All About Birds: Philadelphia Vireo, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Philadelphia Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Plumbeous Vireo
Vireo plumbeus
- 20.2 × 14.9 mm
- Clutch: 3–5 eggs
Creamy white with sparse dark spots around larger end.
Sources of information
- Size
- Average of 30 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 311.
- Description
- Cornell Lab of Ornithology, All About Birds: Plumbeous Vireo, 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).

Red-eyed Vireo
Vireo olivaceus
- 20.3 × 14.5 mm
- Clutch: 1–5 eggs
Dull white with sparse, sepia speckling.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 337.
- Description
- Cornell Lab of Ornithology, All About Birds: Red-eyed Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Warbling Vireo
Vireo gilvus
- 19.1 × 14.2 mm
- Clutch: 1–5 eggs
White with a few scattered dots of reddish or dark brown.
Sources of information
- Size
- Average of 50 eggs: Bent, Life Histories of North American Wagtails, Shrikes, Vireos, and Their Allies (U.S. National Museum Bulletin 197, 1950), p. 365.
Agrees with: Cornell Lab of Ornithology, All About Birds: Warbling Vireo, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Warbling Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

White-eyed Vireo
Vireo griseus
- 19 × 13.5 mm
- Clutch: 3–5 eggs
White with sparse spotting.
Sources of information
- Size
- Cornell Lab of Ornithology, All About Birds: White-eyed Vireo, Life History.
- Description
- Cornell Lab of Ornithology, All About Birds: White-eyed Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Yellow-throated Vireo
Vireo flavifrons
- 20.5 × 14.5 mm
- Clutch: 3–5 eggs
Creamy white with sparse dark spots around larger end.
Sources of information
- Size
- Cornell Lab of Ornithology, All About Birds: Yellow-throated Vireo, Life History.
- Description
- Cornell Lab of Ornithology, All About Birds: Yellow-throated Vireo, 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).
Make a 3D-printable copy of this egg →See posters with this egg →
