4 eggs at true relative size, from the 24.36 mm egg of the Green Kingfisher to the 43.72 mm egg of the Ringed Kingfisher.
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.

Belted Kingfisher
Megaceryle alcyon
- 33.9 × 26.7 mm
- Clutch: 5–8 eggs
Pure white, smooth, and glossy.
Sources of information
- Size
- Average of 54 eggs: Bent, Life Histories of North American Cuckoos, Goatsuckers, Hummingbirds and Their Allies (U.S. National Museum Bulletin 176, 1940), p. 115.
Agrees with: Cornell Lab of Ornithology, All About Birds: Belted Kingfisher, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Belted Kingfisher, 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).
Make a 3D-printable copy of this egg →See posters with this egg →

Elegant Trogon
Trogon elegans
- 28.5 × 23.18 mm
- Clutch: 2–4 eggs
Faint bluish white to dull white.
Sources of information
- Size
- Average of 55 eggs: Bent, Life Histories of North American Cuckoos, Goatsuckers, Hummingbirds and Their Allies (U.S. National Museum Bulletin 176, 1940), p. 108.
Agrees with: Cornell Lab of Ornithology, All About Birds: Elegant Trogon, Life History. - Description
- Cornell Lab of Ornithology, All About Birds: Elegant Trogon, 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).

Green Kingfisher
Chloroceryle americana
- 24.36 × 19.23 mm
- Clutch: 3–6 eggs
White or cream-colored.
Sources of information
- Size
- Average of 64 eggs: Bent, Life Histories of North American Cuckoos, Goatsuckers, Hummingbirds and Their Allies (U.S. National Museum Bulletin 176, 1940), p. 144.
- Description
- Cornell Lab of Ornithology, All About Birds: Green Kingfisher, 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).

Ringed Kingfisher
Megaceryle torquata
- 43.72 × 34.52 mm
White.
Sources of information
- Size
- Average of 19 eggs: Bent, Life Histories of North American Cuckoos, Goatsuckers, Hummingbirds and Their Allies (U.S. National Museum Bulletin 176, 1940), p. 135.
- Description
- Cornell Lab of Ornithology, All About Birds: Ringed Kingfisher, Life History.
- Shape
- Drawn from the length and width, with the taper estimated from the typical eggs of its group (how these eggs are drawn).
