Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Ecology of the Black Catbird, Melanoptila glabrirostris, at Shipstern Nature Reserve (Belize), and distribution in Yucatan., Annick Morgenthaler, Thesis, University of Neuchâtel, Switzerland Institut of Zoology, 2003