female; olive-yellow plumage; huge conical bill (Panama; 2008-06-21)

Lesser Seed Finch
Oryzoborus angolensis

Native Range: Latin America

Notes: despite their name and granivorous diet, seed finches in the genus Oryzoborus (of which there are five recognized species, all closely related) are currenty placed in the tanager family Thraupidae; the seed finch species all show strong sexual dimorphism.

male; mostly black plumage; very large conical bill (Panama; 2008-06-21)

female (Panama; 2008-06-21)