The previous documented sighting of the dusky tetraka (Xanthomixis tenebrosa) — one of the top 10 most wanted species by the Search for Lost Birds — was in 1999. The dusky tetraka (Xanthomixis tenebrosa). Image credit: John C. Mittermeier. The dusky tetraka is a species of Old World warbler in the family Bernieridae (tetrakas and allies). This bird is endemic to the subtropical and tropical moist lowland forests of Madagascar. It is dark...
