Scientific Name: Oryzoborus funereus
Population Estimate: 500K to 5M
Range / Habitat: Found in lowland shrubby and grassy areas from southern Mexico, through Central America, and into northwestern South America.
Field Notes: Medium-sized passerine with finch beak. Male all black with white wing patch, nearly identical to Variable Seedeater but with straight culmen. Female warm brown without distinguishing marks, as in photo above. This warm color distinguishes from female of Variable Seedeater.
Personal Notes: Seen at Arenal Nayara Hotel, Costa Rica