Nisaetus

Nisaetus is a genus of eagles found mainly in tropical Asia. They were earlier placed within the genus Spizaetus but molecular studies show that the Old World representatives were closer to the genus Ictinaetus than to the New World Spizaetus (in the stricter sense). They are slender-bodied, medium-sized hawk-eagles with rounded wings, long feathered legs, barred wings, crests and usually adapted to forest habitats.[1]

Nisaetus
Changeable hawk-eagle
Nisaetus cirrhatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Accipitriformes
Family: Accipitridae
Subfamily: Aquilinae
Genus: Nisaetus
Hodgson, 1836
Species

Nisaetus alboniger (Blyth, 1845)
Nisaetus bartelsi Stresemann, 1924
Nisaetus cirrhatus (Gmelin, 1788)
Nisaetus floris (E. Hartert, 1898)
Nisaetus kelaarti (Legge, 1878)
Nisaetus lanceolatus Temminck & Schlegel, 1844
Nisaetus nanus Wallace, 1868
Nisaetus nipalensis (Hodgson, 1836)
Nisaetus philippensis Gould, 1863
Nisaetus pinskeri Preleuthner and Gamauf, 1998

Etymology

Genus Nisus de Lacépède, 1799; Greek: αετος aetos “eagle”.[2]

Species
ImageScientific nameCommon NameDistribution
Nisaetus alboniger (Blyth, 1845)[3]Blyth's hawk-eagleMalay Peninsula, Singapore, Sumatra and Borneo
Nisaetus bartelsi Stresemann, 1924[4]Javan hawk-eagleJava
Nisaetus cirrhatus (Gmelin, 1788)[5]Changeable hawk-eagleIndia and Sri Lanka, and from the southeast rim of the Himalaya across Southeast Asia to Indonesia and the Philippines
Nisaetus floris (E. Hartert, 1898)[6]Flores hawk-eagleFlores, Lombok and Sumbawa in the Lesser Sundas
Nisaetus lanceolatus Temminck & Schlegel, 1844[7]Sulawesi hawk-eagleSulawesi and its satellite islands of Buton, Muna, Banggai and Sula Islands
Nisaetus nanus Wallace, 1868[8]Wallace's hawk-eagleBrunei, Indonesia, Malaysia, Myanmar, and Thailand
Nisaetus nipalensis (Hodgson, 1836)[9]Mountain hawk-eagleIndia, Nepal to Thailand, Taiwan, Indonesia and Japan
Nisaetus kelaarti (Legge, 1878)Legge's hawk-eaglesouthern India to Sri Lanka
Nisaetus philippensis Gould, 1863[10]Philippine hawk-eaglePhilippines
Nisaetus pinskeri Preleuthner and Gamauf, 1998Pinsker's hawk-eagleLeyte, Samar, Negros and Mindanao in the Philippines

References
  1. E. Haring; K. Kvaløy; J.-O. Gjershaug; N. Røv & A. Gamauf (2007). "Convergent evolution and paraphyly of the hawk-eagles of the genus Spizaetus (Aves, Accipitridae) – phylogenetic analyses based on mitochondrial markers". J Zool Syst Evol Res. 45 (4): 353–365. doi:10.1111/j.1439-0469.2007.00410.x.
  2. Jobling, J.A. (2017). "Key to Scientific Names in Ornithology". In del Hoyo, J.; Elliott, A.; Sargatal, J.; Christie, D.A.; de Juana, E. (2018) (eds.). Handbook of the Birds of the World Alive. Barcelona: Lynx Edicions.
  3. BirdLife International (2009). "Nisaetus alboniger". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  4. BirdLife International (2009). "Nisaetus bartelsi". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  5. BirdLife International (2009). "Nisaetus cirrhatus". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  6. BirdLife International (2009). "Nisaetus floris". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  7. BirdLife International (2009). "Nisaetus lanceolatus". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  8. BirdLife International (2009). "Nisaetus nanus". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  9. BirdLife International (2009). "Nisaetus nipalensis". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.
  10. BirdLife International (2009). "Nisaetus philippensis". IUCN Red List of Threatened Species. 2009. Retrieved 18 April 2011.


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