Hieraaetus Kaup, 1844
Aquila is the genus of true eagles. It is often united with the buteos, sea eagles and other more heavyset Accipitridae, but more recently it appears as if they are less distinct from the more slender accipitrine hawks than believed. Eagles are not a natural group but denote essentially any bird of prey large enough to hunt sizeable (about 50 cm long or more overall) vertebrate prey.
|This section does not cite any references or sources. (November 2010)|
Aquila belongs to an extremely close-knit group of "typical" eagles. These include genera like Hieraaetus, Lophaetus, Ictinaetus and the extinct Harpagornis, and all these appear to be paraphyletic with regards to the traditional Aquila. Especially some, if not all, species of Hieraaetus, separated primarily due to their smaller size, seem to belong here. The entire "typical eagle" group is in need of a thorough revision, and thus this species list cannot be more than a tentative one at present.
Most problematic is certainly Hieraaetus, the hawk-eagles. It is known that the type species, the booted eagle, is very close to some Aquila eagles. Other hawk-eagles might indeed be distinct enough to warrant generic separation, but the name Hieraaetus is not available for them, being a junior synonym of Aquila as the booted eagle is included herein.
- Bonelli's eagle, Aquila fasciata – formerly Hieraaetus fasciatus
- Cassin's hawk-eagle, Aquila africana
- African hawk-eagle, Aquila spilogaster – formerly 'Hieraaetus spilogaster
- Booted eagle, Aquila pennata – formerly Hieraaetus pennatus
- Rufous-bellied eagle, Aquila kienerii – formerly Hieraaetus kienerii
- Golden eagle, Aquila chrysaetos
- Eastern imperial eagle, Aquila heliaca
- Spanish imperial eagle Aquila adalberti
- Steppe eagle, Aquila nipalensis
- Tawny eagle, Aquila rapax
- Verreaux's eagle, Aquila verreauxii
- Gurney's eagle, Aquila gurneyi
- Wahlberg's eagle, Aquila wahlbergi
- Wedge-tailed eagle, Aquila audax
- Tasmanian wedge-tailed eagle, Aquila audax fleayi
- Aquila bullockensis (Middle Miocene)
- ?Aquila delphinensis (Middle/Late Miocene of Grive-Saint-Alban, France)
- ?Aquila pennatoides (Middle/Late Miocene of Grive-Saint-Alban, France)
- Aquila sp. (Late Miocene – Late Pliocene of S Europe)
- Aquila sp. (Early Pliocene of Florida)
- Aquila bivia (Late Pliocene of S USA)
- Aquila kurochkini (Late Pliocene of Varshets, Bulgaria)
- Aquila sp. (Middle Pleistocene of Castiglione, Corsica)
- ?Aquila fossilis (Middle/Late Pleistocene of Monte Reale, Sardinia)
- ?Aquila sp. (Late Quaternary, Madagascar)
It is not clear whether "Hieraaetus" edwardsi (Middle -? Late Miocene of SW Europe) belongs into Aquila or the hawk-eagles (if the latter are indeed distinct). Its initial name, "Aquila" minuta Milne-Edwards, 1871, is preoccupied by a junior synonym of the booted eagle, Aquila minuta Brehm, 1831.
Not placed in Aquila anymore are:
- "Aquila" gervaisii – now in Palaeohierax
- "Aquila" borrasi, "A." sodalis – now in Buteogallus. B. borrasi was long placed in Titanohierax.
- "Aquila" pliogryps – now in Spizaetus
- "Aquila" corroyi, "A." depredator, "A." hypogaea and "A." prisca – now in Aquilavus
- "Aquila" ferox, "A." lydekkeri – protostrigid owls, now in Minerva.
For paleosubspecies of living Aquila, see the species accounts.
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- Helbig, A.J., Kocum, A., Seibold, I. & Braun, M.J. "A multi-gene phylogeny of aquiline eagles (Aves: Accipitriformes) reveals extensive paraphyly at the genus level" (PDF). Science Direct, Journal of Molecular Phylogenetics and Evolution. Retrieved 2013-04-01.
- Brodkorb, Pierce (1964). "Catalogue of Fossil Birds: Part 2 (Anseriformes through Galliformes)". Bulletin of the Florida State Museum 8 (3): 195–335.
- Mlíkovský, Jirí (2002): Cenozoic Birds of the World, Part 1: Europe. Ninox Press, Prague, p. 194.
- Boev, Z., 2013. Aquila kurochkini sp. n., a New Late Pliocene Eagle (Aves, Accipitriformes) from Varshets (NW Bulgaria). - Paleontological Journal, 2013, Vol. 47, No. 11, pp. 1344–1354. Pleiades Publishing, Ltd., 2013.
- Salotti, Michelle; Bellot-Gourlet, Ludovic; Courtois, Jean-Yves; Dubois, Jean-Noël; Louchart, Antoine; Mourer-Chauviré, Cécile; Oberlin, Christine; Pereira, Elisabeth; Poupeau, Gérard & Tramoni, Pascal (2000). "La fin du Pléistocène supérieur et le début de l'Holocène en Corse: apports paléontologique et archéologique du site de Castiglione (Oletta, Haute-Corse)" [The end of the Late Pleistocene and the Early Holocene in Corsica: New paleontological and archaeological data from Castiglione deposit (Oletta, Haute-Corse)]. Quaternaire (in French with English abstract) 11 (3): 219–230. doi:10.3406/quate.2000.1671.
- Madagascar and other Islands. Human Settlers Invade Paradise. Endangered Species Handbook. Retrieved on 2013-04-17.