About the Variable Seedeater
The variable seedeater (Sporophila corvina) is a passerine bird which breeds from southern Mexico through Central America to the Chocó of northwestern South America. The taxonomy is confusing, and it was formerly considered a subspecies of Sporophila americana (see Taxonomy). Even within the variable seedeater as presently defined, there are great variations in plumage.
The variable seedeater is a small, robust bird with a black conical bill. It is 10.5 cm (4.1 in) long and weighs 11 g (0.39 oz). Adult males are entirely black apart from a small white wing-speculum and white wing linings.
Males resemble males S. c. corvina, but with white half-collar, rump and belly (the rump often intermixed with grey and the flanks retain some black mottling or barring). Males resemble S. c... Wikipedia →