The black-crowned fulvetta (Schoeniparus klossi) is a bird species in the family Pellorneidae.[1][2] Until recently it was considered a sub-species of the rufous-winged fulvetta. It is endemic to Vietnam.[3]
^Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2015. The eBird/Clements checklist of birds of the world: v2015. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/