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Illustration of a Black-faced Ibis (Theristicus melanopis) egg, 68 × 44.3 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Theristicus melanopis

  • 68 × 44.3 mm
Breeds in Argentina, Chile, Peru

Greyish white to reddish grey with fine violet and blackish-brown dots and worm- and hair-lines, crowded at the blunt end.

Sources of information

Size
Average of 30 eggs: Schönwetter, M. 1960–1992. Handbuch der Oologie (ed. W. Meise), Lieferung 2. Akademie-Verlag, Berlin., p. 107.
Description
Nehrkorn 1899 (Katalog der Eiersammlung).
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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