The black sittella (Daphoenositta miranda) is one of two species of birds in the family Neosittidae.It is found in endemic to New Guinea, where it is found in the highlands.
References
del Hoyo, J.; Elliot, A. & Christie D. (editors). (2007). Handbook of the Birds of the World. Volume 12: Picathartes to Tits and Chickadees. Lynx Edicions.