Female or immature Medium Ground Finch (Geospiza fortis, german: Mittel-Grundfink, french: Géospize à bec moyen). It is endemic to the Galápagos Islands. (460k)
Here are the pictures of Medium Ground Finch (Geospiza fortis) with links to the pages on which they appear, links to the full sized picture, and the description of the picture with links to the entry in iNaturalist (inaturalist.org)
All pictures are © Dr. Günther Eichhorn, unless otherwise noted.
Ecuador Birds
Dr. Günther Eichhorn Travel Website
Soaring website