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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Ordo: Accipitriformes

Familia: Accipitridae
Subfamilia: Aquilinae
Genus: Aquila
Species: Aquila gurneyi

Aquila gurneyi G.R. Gray, 1861

Proceedings of the Zoological Society of London (1860) Pt(28)3 p.342 pl.169

Vernacular names
čeština: Orel hnědý
English: Gurney's Eagle
español: Águila de las Molucas
français: Aigle de Gurney
magyar: Gurney-sas
italiano: Aquila di Gurney
polski: Orzeł molucki

Gurney's eagle (Aquila gurneyi) is a large eagle in the family Accipitridae. It is found in New Guinea and Wallacea, and is an occasional vagrant to Australia.

The common name and Latin binomial commemorate the British banker and amateur ornithologist John Henry Gurney (1819–1890).[2]

Gurney's eagle, immature or subadult.

This eagle is a fairly large species, though mid-sized as a member of the genus Aquila. It is mainly dark brown to black, with paler undersides to its flight feathers and a rounded tail. Its body length is 74–86 cm (29–34 in) with a wingspan of between 1.65 and 1.9 m (5 ft 5 in and 6 ft 3 in). Females are larger than males. One immature female weighed 3.06 kg (6.7 lb).[3][4] Males are estimated to weigh about 2.21 kg (4.9 lb) in this species.[5] Its wings are held level when gliding. It feeds on mammals (such as cuscuses), reptiles, fish, and birds.

Juveniles have brown scapular feathers, wing coverts, and back, mottled with gray and buff. The black tail is faintly barred, and the head and underparts are light brown fading into a cream-colored belly and legs.
Range and habitat

Gurney's eagle is found from the Moluccas to Irian Jaya and most of New Guinea, from sea level to 1500 meters above sea level. It has been recorded from Saibai and Boigu islands in north-western Torres Strait, thus putting it on the Australian bird list. it inhabits a wide range of habitats from sea level to the snow line.
Skin of a juvenile Gurney's eagle.

Gurney's eagle occurs at low population densities and is likely to be declining slowly through habitat loss and degradation. It is considered to be Near Threatened and is listed on CITES Appendix II.

BirdLife International (2016). "Aquila gurneyi". IUCN Red List of Threatened Species. 2016: e.T22696056A93541423. doi:10.2305/IUCN.UK.2016-3.RLTS.T22696056A93541423.en. Retrieved 12 November 2021.
Beolens, Bo; Watkins, Michael (2003). Whose Bird? Men and Women Commemorated in the Common Names of Birds. London: Christopher Helm. p. 153.
"Raptors of the World" by Ferguson-Lees, Christie, Franklin, Mead & Burton. Houghton Mifflin (2001), ISBN 0-618-12762-3
Dunning, John B. Jr., ed. (2008). CRC Handbook of Avian Body Masses (2nd ed.). CRC Press. ISBN 978-1-4200-6444-5.

Parry, S. J. (2001). The booted eagles (Aves: Accipitridae): perspectives in evolutionary biology. University of London, University College London (United Kingdom).

Works cited

BirdLife International (2006). Species factsheet: Aquila gurneyi. Downloaded from on 9/12/2006
Coates, B.J. (1985). The Birds of Papua New Guinea, Vol. 1, Non-Passerines. Dove: Alderley, Queensland. ISBN 0-9590257-0-7
Morcombe, Michael (2000). Field Guide to Australian Birds. Steve Parish Publishing: Queensland. ISBN 1-876282-10-X

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