There are two races of the Variable Seedeater (Sporophila americana) in Costa Rica: one on the Caribbean side, and one, like this one with a white belly and rump, on the Pacific side of the country. The brown females of both races are identical. This fellow was chirping on the barbed wire that guards the airstrip in Carate on the Osa Peninsula.

All media is copyright costaricawildlife.net, 2013.