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From Wikipedia, the free encyclopedia

African Hawk-eagle ("Hieraaetus" spilogaster)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Genus: "Hieraaetus" (see text)
Kaup, 1844

See text

The genus Hieraaetus, sometimes known as hawk-eagles, denoted a group of smallish eagles usually placed in the Buteoninae subfamily of accipitrids.

At present, 3 species of medium-sized birds of prey inhabiting Africa and New Guinea are retained in this group. These are:

The Booted Eagle (formerly Hieraaetus pennatus), Bonelli's Eagle (formerly H. fasciatus), the Little Eagle (formerly H. morphnoides) and the Rufous-bellied Eagle (formerly H. kienerii) have been determined by recent genetic research to be polyphyletic and clustered along with the eagles of the genus Aquila rather than to their traditional group.

This creates a taxonomic problem: The Booted Eagle is the type species of Hieraaetus, making that name a junior synonym of Aquila. Consequently, should any hawk-eagles be retained as a distinct group, they need to get a different genus name.

Sometimes the entire genus is merged into Aquila. That the remaining 3 species are probably still not a monophyletic group is apparent by their biogeography, which would quite implausibly require that a number of relatives living between Africa and New Guinea had become extinct prehistorically without leaving any trace or descendants.

Christidis and Boles (2008) use an alternative approach. Accepting that both Aquila and Hieraaetus are polyphyletic, they move spilogaster and fasciatus with the Aquila genus and retain the other former Hieraaetus group along with morphnoides and Aquila wahlbergi within the new delimitation of Hieraaetus.[1]

Whether the fossil "Hieraaetus" edwardsi (Middle -? Late Miocene of SW Europe) belongs to the hawk-eagles proper (if there is such a thing) or into Aquila has not been determined.

Hieraaetus kienerii was found to be distinct and may well need to be assigned to a new genus.[2][3]


  1. ^ Les Christidis & Walter E Boles (2008) Systematics and Taxonomy of Australian Birds. CSIRO publishing. ISBN 9780643065116
  2. ^ Lerner, H. R. L.; D. P. Mindell (2005). "Phylogeny of eagles, Old World vultures, and other Accipitridae based on nuclear and mitochondrial DNA". Molecular Phylogenetics and Evolution 37:327–346 PDF
  3. ^ Jan Ove Gjershaug (2006) Taxonomy and conservation status of hawk-eagles (genus Nisaetus) in South-East Asia. Thesis. Norwegian University of Science and Technology Fulltext


  1. Bunce, M., et al. (2005) Ancient DNA Provides New Insights into the Evolutionary History of New Zealand's Extinct Giant Eagle. PLoS Biol 3(1): e9 DOI: 10.1371/journal.pbio.0030009 HTML open-source article
  2. Collinson, M. Splitting headaches? Recent taxonomic changes affecting the British and Western Palaearctic lists - British Birds vol 99 (June 2006), 306-323.
  3. Lerner, H. R. L. and D. P. Mindell (2005) Phylogeny of eagles, Old World vultures, and other Accipitridae based on nuclear and mitochondrial DNA. Molecular Phylogenetics and Evolution 37: 327-346. [1]
  4. 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


Up to date as of January 23, 2010

From Wikispecies

Hieraaetus morphnoides


Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Aves
Subclassis: Carinatae
Infraclassis: Neornithes
Parvclassis: Neognathae
Ordo: Falconiformes
Familia: Accipitridae
Subfamilia: Aquilinae
Genus: Hieraaetus
Species: H. ayresii - H. morphnoides - H. pennatus - H. wahlbergi - H. weiskei


Hieraaetus Kaup, 1844


Classification der Saugethiere und Vogel. p.120

Vernacular names

English: Hawk-eagles
Suomi: Pikkukotkat


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