About Arremon crassirostris (Cassin, 1865)
The sooty-faced finch, scientifically named Arremon crassirostris, is a bird species that belongs to the family Emberizidae. Until recently, this species was classified under the genus Lysurus instead of Arremon. It occurs naturally in the Talamancan montane forests and the Serranía del Darién. Its native habitat is subtropical or tropical moist montane forests.