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Illustration of a Hudson's Canastero (Asthenes hudsoni) egg, 22.9 × 16.7 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Asthenes hudsoni

  • 22.9 × 16.7 mm
Breeds in Argentina, Brazil, Uruguay

Plain white, slightly glossy.

Sources of information

Size
Average of 7 eggs: Schönwetter, M. 1960–1992. Handbuch der Oologie (ed. W. Meise), Lieferung 14. Akademie-Verlag, Berlin., p. 28.
Description
Oates & Reid 1903 (BM Egg Catalogue vol 3).
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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