Costa Rican brushfinch
The Costa Rican brushfinch or grey-striped brushfinch ("Arremon costaricensis") is a species of bird in the family Passerellidae. It is found in the undergrowth of humid forest, especially near the edges, at altitudes of in Panama and Costa Rica. Taxonomy. The Costa Rican brushfinch is often treated as a subspecies of the stripe-headed brushfinch ("A. torquatus"), but was determined a distinct species, together with the black-headed brushfinch, on the basis of differences in vocalization, plumage, and genetics.