Accipitriformes

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Accipitriformes
Temporal range: Eocene-present, 47–0 Ma
Bartgeier Gypaetus barbatus front Richard Bartz.jpg
Bearded Vulture, Gypaetus barbatus
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Accipitrimorphae
Order: Accipitriformes
Vieillot, 1816
Families

The Accipitriformes are an order of birds that includes most of the diurnal birds of prey – including hawks, eagles, and vultures, but not falcons – about 217 species in all.

For a long time, the majority view was to include them with the falcons in the Falconiformes, but many authorities now recognize a separate Accipitriformes.[1][2][3][4] A DNA study published in 2008 indicated that falcons are not closely related to the Accipitriformes, being instead more closely related to parrots and passerines.[5] Since then, the split and the placement of the falcons next to the parrots in taxonomic order has been adopted by the American Ornithological Society's South American Classification Committee (SACC),[6][7][8] its North American Classification Committee (NACC),[9][10] and the International Ornithological Congress (IOC).[11][12] The British Ornithologists' Union already recognized the Accipitriformes,[13] and has adopted the move of Falconiformes.[14] The DNA-based proposal and the NACC and IOC classifications include the New World vultures in the Accipitriformes,[15][9] while the SACC classifies the New World vultures as a separate order, the Cathartiformes.

Characteristics

The Accipitriformes are known from the Middle Eocene[citation needed] and typically have a sharply hooked beak with a soft cere housing the nostrils. Their wings are long and fairly broad, suitable for soaring flight, with the outer four to six primary feathers emarginated.

They have strong legs and feet with raptorial claws and opposable hind claws. Almost all Accipitriformes are carnivorous, hunting by sight during the day or at twilight. They are exceptionally long-lived, and most have low reproductive rates.[citation needed]

The young have a long, very fast-growing fledgling stage, followed by 3–8 weeks of nest care after first flight, and 1 to 3 years as sexually immature adults. The sexes have conspicuously different sizes and sometimes a female is more than twice as heavy as her mate. This sexual dimorphism is sometimes most extreme in specialized bird-eaters, such as the Accipiter hawks, and borders on nonexistent among the vultures. Monogamy is the general rule, although an alternative mate is often selected if one dies.

Taxonomy

Order Accipitriformes

Footnotes

References

  • Chesser, R. T.; Banks, R. C.; Barker, F. K.; Cicero, C.; Dunn, J. L.; Kratter, A. W.; Lovette, I. J.; Rasmussen, P. C.; Remsen, J. V., Jr.; Rising, J. D.; Stotz, D. F.; Winker, K. (2010). "Fifty-First Supplement to the American Ornithologists' Union Check-list of North American Birds" (PDF). The Auk. 127 (3): 726–744. doi:10.1525/auk.2010.127.3.726.
  • Chesser, R. Terry; Banks, Richard C.; Barker, F. Keith; Cicero, Carla; Dunn, Jon L.; Kratter, Andrew W.; Lovette, Irby J.; Rasmussen, Pamela C.; Remsen, J. V.; Rising, James D.; Stotz, Douglas F.; Winker, Kevin (2012). "Fifty-Third Supplement to the American Ornithologists' Union Check-List of North American Birds". The Auk. 129 (3): 573–588. doi:10.1525/auk.2012.129.3.573. Full text via AOU, COPO, BioOne.
  • Christidis, Les; Boles, Walter E. (2008). Systematics and Taxonomy of Australian Birds. CSIRO Publishing. ISBN 0-643-06511-3. Retrieved 2010-01-14. Includes a review of recent literature on the controversy.
  • Cramp, Stanley (1980). Handbook of the Birds of Europe, the Middle East and North Africa: The Birds of the Western Palearctic – Hawks to Bustards. Oxford University Press. pp. 3, 277. ISBN 0-19-857505-X.
  • Dudley, S. P.; Gee, M.; Kehoe, C.; Melling, T. M. M. (2006). "The British List: A Checklist of Birds of Britain (7th edition)". Ibis. 148 (3): 526. doi:10.1111/j.1474-919X.2006.00603.x.
  • Ferguson-Lees, James; Christie, David A. (2001). Raptors of the World. Illustrated by Kim Franklin, David Mead, and Philip Burton. Houghton Mifflin. ISBN 978-0-618-12762-7. Retrieved 2011-05-26.
  • Gill, Frank; Donsker, D. "IOC World Bird List (version 2.4)". Worldbirdnames.org. Archived from the original on 24 March 2010. Retrieved 2010-03-12.
  • Hackett, Shannon J.; Kimball, Rebecca T.; Reddy, Sushma; Bowie, Rauri C. K.; Braun, Edward L.; Braun, Michael J.; Chojnowski, Jena L.; Cox, W. Andrew; Han, Kin-Lan; Harshman, John; Huddleston, Christopher J.; Marks, Ben D.; Miglia, Kathleen J.; Moore, William S.; Sheldon, Frederick H.; Steadman, David W.; Witt, Christopher C.; Yuri, Tamaki (2008). "A phylogenomic study of birds reveals their evolutionary history". Science. 320 (5884): 1763–68. doi:10.1126/science.1157704. PMID 18583609.
  • Gill, Frank; Donsker, D. (2014). "Updates". IOC World Bird List. Archived from the original on 2014-09-24. Retrieved 2014-09-30. Falconiformes was resequenced in version 4.1 (Jan 7, 2014)
  • Nores, Manuel; Barker, Keith; Remsen, Van (July 2011). "Proposal (491) to South American Classification Committee: Change linear sequence of orders for Falconiformes, Psittaciformes, and Cariamiformes". Archived from the original on 2012-04-01. Retrieved 30 September 2014.
  • Remsen, Van (November 2008). "Proposal (383) to South American Classification Committee: Separate Accipitriformes from Falconiformes". Archived from the original on 2010-06-28. Retrieved 30 September 2014.
  • Remsen, J. V., Jr.; Cadena, C. D.; Jaramillo, A.; Nores, M.; Pacheco, J. F.; Robbins, M. B.; Schulenberg, T. S.; Stiles, F. G.; Stotz, D. F.; Zimmer, K. J. "A classification of the bird species of South America (section "ACCIPITRIDAE (HAWKS) 3" note 1)". Version 11 December 2008. American Ornithologists' Union. Archived from the original on 12 April 2008. Retrieved 2010-05-26.
  • Sangster, G.; Collinson, J. M.; Crochet, P. A.; Knox, A. G.; Parkin, D. T.; Votier, S. C. (2013). "Taxonomic recommendations for Western Palearctic birds: Ninth report". Ibis. 155 (4): 898. doi:10.1111/ibi.12091.
  • Voous, K. H. (1973). "List of Recent Holarctic Bird Species Non-Passerines". Ibis. 115 (4): 612–638. doi:10.1111/j.1474-919X.1973.tb02004.x.

External links

  • Media related to Accipitriformes at Wikimedia Commons
  • Data related to Accipitriformes at Wikispecies
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