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Illustration of a Bay-ringed Tyrannulet (Phylloscartes sylviolus) egg, 18.9 × 13.3 mm
Illustration © 2026 Lincoln Savi, Savi Made. Free to use with credit.

Phylloscartes sylviolus

  • 18.9 × 13.3 mm (estimated)
  • Speculative: we haven't found documented measurements of this egg yet, so we estimated its size from related birds.
Breeds in Argentina, Brazil, Paraguay

White, unmarked (one egg known).

Sources of information

Size
Estimated, no measurements found: the median length and width of measured eggs of the same genus: Phylloscartes ventralis.
Description
de la Peña 2025 (Aves Argentinas tomo 9).
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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