The Sulawesi hawk-eagle (Nisaetus lanceolatus) (earlier placed under Spizaetus), also known as Celebes hawk-eagle, is a medium-sized, approximately 64 cm long, crestless brown raptor in the family Accipitridae. The adults have rufous-brown, boldly marked head and chest feathers, dark brown wings and black-barred white below. The young has white head and underparts.
Temminck & Schlegel, 1844
An Indonesian endemic, the Sulawesi hawk-eagle is distributed in rainforests of Sulawesi and its satellite islands of Buton, Muna, Banggai and Sula Islands. The diet consists mainly of birds, lizards, snakes and mammals.
- Helbig AJ, Kocum A, Seibold I & Braun MJ (2005) A multi-gene phylogeny of aquiline eagles (Aves: Accipitriformes) reveals extensive paraphyly at the genus level. Molecular Phylogenetics and Evolution 35(1):147-164 PDF
- BirdLife International (2012). "Nisaetus lanceolatus". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.