male; black head; white belly and neck line (Panama; 2008-06-15)
Variable Seedeater Sporophila corvina
Native Range: Latin America
Notes:
males of this species show considerable variation in plumage color, with some specimens being quite light underneath, others quite black, and others being in-between; strong sexual dimorphism.
male with black-barred sides (Panama; 2008-06-15)
large conical bill (Panama; 2008-06-15)
often a white patch on the wing too (Panama; 2008-06-15)
the neck line often enlarges to a neck spot (Panama; 2008-06-15)
a light-colored specimen (Panama; 2008-06-15)
a dark-colored specimen (Panama; 2008-06-15)
female; olive-yellow all over (Panama; 2008-06-15)