The White-collared SeedeaterSporophila torqueola, is in the typical seedeater genus Sporophila.It is identifiable by the broad white collar, white rump, and black hood. The species occurs from southern Texas south to the western Panama.
This photo was taken at the Arenal Observatory. It illustrates one of the problems of bird photography. Just grab the photo, even if it is behind a branch, before the bird flies off.