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Illustration of a Brazilian Merganser (Mergus octosetaceus) egg, 66 × 45 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Mergus octosetaceus

  • 66 × 45 mm (approx.)
  • Clutch: 4–7 eggs
Breeds in Brazil

Pale ochre or cream, unmarked.

Sources of information

Size
Schönwetter, M. 1960–1992. Handbuch der Oologie (ed. W. Meise), Lieferung 3. Akademie-Verlag, Berlin., p. 134.
Description
de la Peña 2025 (Aves Argentinas tomo 1).
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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