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Spilornis
Crested serpent eagle (Spilornis cheela)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Accipitriformes
Family:	Accipitridae
Subfamily:	Circaetinae
Genus:	Spilornis G.R. Gray, 1840
Type species
Falco cheela Latham, 1790

Spilornis is a genus of bird of prey in the family Accipitridae. As adults all have dark crowns, and bright yellow eyes and cere. These medium-sized raptors are found in forests of southern Asia and are known as serpent-eagles, an English name shared with two African species from the genera Dryotriorchis and Eutriorchis.

Etymology

Greek: σπιλος spilos "spot"; ορνις ornis, ορνιθος ornithos "bird".

Species

As traditionally defined, there are 6 species in this genus. It has been proposed that several small island populations, usually included in the Crested Serpent Eagle, be split into separate species.

Genus Spilornis – G.R. Gray, 1840 – six species

Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Andaman serpent eagle	Spilornis elgini (Blyth, 1863)	Andaman Islands in southeast India.	Size: Habitat: Diet:	VU
Great Nicobar serpent eagle	Spilornis klossi (Richmond, 1902) Two subspecies S. k. minimus S. k. klossi	Indian island of Great Nicobar	Size: Habitat: Diet:	EN
Sulawesi serpent eagle	Spilornis rufipectus (Gould, 1858) Two subspecies S. r. rufipectus - Gould, 1858 S. r. sulaensis - (Schlegel, 1866)	Sulawesi in Indonesia	Size: Habitat: Diet:	LC
Crested serpent eagle	Spilornis cheela (Latham, 1790) Twenty one subspecies S. c. batu S. c. bido S. c. burmanicus S. c. cheela S. c. hoya S. c. malayensis S. c. melanotis S. c. palawanensis S. c. pallidus S. c. richmondi S. c. ricketti S. c. rutherfordi S. c. spilogaster S. c. abbotti S. c. asturinus S. c. baweanus S. c. davisoni S. c. minimus S. c. natunensis S. c. perplexus S. c. sipora	across the Indian Subcontinent, Southeast Asia and East Asia	Size: Habitat: Diet:	LC
Philippine serpent eagle	Spilornis holospilus (Vigors, 1831)	Philippines	Size: Habitat: Diet:	LC
Mountain serpent eagle	Spilornis kinabaluensis Sclater, WL, 1919	northern Borneo	Size: Habitat: Diet:	NT

References

1. Gray, George Robert (1840). A List of the Genera of Birds. Richard and John E. Taylor. p. 3.
2. ^ Ferguson-Lees & Christie (2001). Raptors of the World. Christopher Helm, London. ISBN 0-7136-8026-1
3. Jobling, J.A. (2017). "Key to Scientific Names in Ornithology". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (eds.). Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions.

v t e Genera of eagles, condors and their extinct allies
Kingdom: Animalia Phylum: Chordata Class: Aves Clade: Telluraves Order: Accipitriformes
Accipitriformes Cathartiformes incertae sedis †Parasarcoramphus †Teratornithidae Aiolornis Argentavis Cathartornis Oscaravis Taubatornis Teratornis Cathartidae †Aizenogyps †Brasilogyps †Breagyps Cathartes †Cathartidarum Coragyps †Diatropornis †Dryornis †Geronogyps Gymnogyps †Hadrogyps †Kuntur †Pampagyps †Phasmagyps †Perugyps †Pleistovultur †Pliogyps Sarcoramphus Vultur †Wingegyps Accipitriformes sensu stricto See below ↓
Accipitriformes sensu stricto †Horusornithidae Horusornis Pandionidae Pandion Sagittariidae †Amanuensis †Amphiserpentarius †Pelargopappus Sagittarius Accipitridae incertae sedis †Amplibuteo †Aquilavus †Apatosagittarius †Aviraptor †"Cruschedula"? †Dynatoaetus †Gigantohierax †Gobihierax †Milvoides †Mioaegypius †Miohierax †Necrastur †Palaeohierax †Palaeastur †Palaeocircus †Palaeoplancus †"Palaetus" †Pengana †Proictinia †Promilio †Qiluornis †Titanohierax †Vinchinavis Aegypiinae Aegypius †Cryptogyps †Gansugyps Gyps Necrosyrtes Sarcogyps Torgos Trigonoceps Accipitrinae Accipiter Erythrotriorchis Megatriorchis Aquilinae Aquila Clanga Hieraaetus Ictinaetus Lophaetus Lophotriorchis Nisaetus Polemaetus Spizaetus Stephanoaetus †Archaehieraxinae Archaehierax Buteoninae †Bermuteo †Garganoaetus Buteonini Busarellus Butastur Buteo Buteogallus Cryptoleucopteryx Geranoaetus Geranospiza Helicolestes Ictinia Leucopternis Morphnarchus Parabuteo Pseudastur Rostrhamus Rupornis Milvini Haliastur Milvus Circaetinae Circaetus Dryotriorchis Eutriorchis Pithecophaga Spilornis Terathopius Circinae Circus Elaninae Chelictinia Elanus Gampsonyx Gypaetinae †Anchigyps †Arikarornis Gypaetus Gypohierax †Mioneophron †Neogyps Neophron †Neophrontops †Palaeoborus Polyboroides Haliaeetinae Haliaeetus Icthyophaga Harpaginae Harpagus Kaupifalco Microspizias Harpiinae Harpia Harpyopsis Macheiramphus Morphnus Lophospizinae Lophospiza Melieraxinae Melierax Micronisus Urotriorchis Perninae Aviceda Chondrohierax Elanoides Eutriorchis Hamirostra Henicopernis Leptodon Lophoictinia Pernis

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