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Illustration of a Puna Ibis (Plegadis ridgwayi) egg, 52 × 35.4 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Plegadis ridgwayi

  • 52 × 35.4 mm
Breeds in Argentina, Bolivia, Peru

Unmarked pale turquoise to pale blue-green.

Sources of information

Size
Average of 8 eggs: Schönwetter, M. 1960–1992. Handbuch der Oologie (ed. W. Meise), Lieferung 2. Akademie-Verlag, Berlin., p. 108.
Description
Nehrkorn 1899 (Katalog der Eiersammlung).
Drawing checked against a photo: de la Peña 2025, Aves Argentinas tomo 6, p. 255.
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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