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Illustration of a Manx Shearwater (Puffinus puffinus) egg, 61.97 × 41.72 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Puffinus puffinus

  • 61.97 × 41.72 mm
Breeds in Canada, United States

White, unmarked, dull.

Sources of information

Size
Average of 14 eggs: Stoddard, M. C., et al. 2017. Avian egg shape: form, function, and evolution. Science 356: 1249-1254 (Data S1, MVZ egg collection).
Description
Ihering 1900 (Revista do Museu Paulista 4).
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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