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Difference between revisions of "Mountain Hawk-Eagle" - BirdForum Opus

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(Image showing typical posture, facial and underbody detail and long tarsi)
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[[Image:Mountain_Hawk_Eagle_2_Alok.JPG|thumb|550px|right|Posture and detail of face, tarsi and underbody<br />Photo &copy;  
 
[[Image:Mountain_Hawk_Eagle_2_Alok.JPG|thumb|550px|right|Posture and detail of face, tarsi and underbody<br />Photo &copy;  
 
by {{user|aloktewari|Alok Tewari}}<br />Nainital, Uttarakhand [[Himalayas]], Altitude 6500 feet above msl, [[India]]<br />6 November 2012  ]]
 
by {{user|aloktewari|Alok Tewari}}<br />Nainital, Uttarakhand [[Himalayas]], Altitude 6500 feet above msl, [[India]]<br />6 November 2012  ]]
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[[Image:Mountain_Hawk_Eagle.jpg|thumb|350px|right|Photo by Peter Ericsson <br/> Picture taken at Khao Yai National Park, [[Thailand]].  ]]
 
[[Image:Mountain_Hawk_Eagle.jpg|thumb|350px|right|Photo by Peter Ericsson <br/> Picture taken at Khao Yai National Park, [[Thailand]].  ]]
 
==Identification==
 
==Identification==
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Large hawk-eagle at 66–84 cm
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==Taxonomy==
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*Brownish above
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*Crest size varies geographically
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*Barred below
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*Wings relatively short
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*Tail long, with bars of even size
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*Eyes yellow to orange
 +
Juveniles paler, almost all-white below
 
====Similar species====
 
====Similar species====
 
[[Changeable Hawk Eagle]] (see references)
 
[[Changeable Hawk Eagle]] (see references)
 
==Distribution==
 
==Distribution==
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[[India]], [[Nepal]], [[Bhutan]], [[China]], [[Taiwan]], [[Thailand]], and [[Japan]].
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'''[[Asia]]''': [[India]], [[Nepal]], [[Bhutan]], [[China]], [[Taiwan]], [[Thailand]], and [[Japan]].
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[[Image:Mountain_Hawk_Eagle_alok.JPG|thumb|350px|right|Adult mobbed by Large-billed Crows<br/>Photo by Alok Tewari<br/>Hill Station Ranikhet, Alt. 6500 ft., Uttarakhand [[Himalayas]], [[India]], 7 October 2021]]
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[[Image:Mountain_Hawk_Eagle_alok.JPG|thumb|350px|right|Adult mobbed by Large-billed Crows<br/>Photo &copy;
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by {{user|aloktewari|Alok Tewari}}<br/>Hill Station Ranikhet, Alt. 6500 ft., Uttarakhand [[Himalayas]], [[India]], 7 October 2021]]
  
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Two subspecies are currently recognized: ''nipalensis'' which is found from the Himalayas to China and the Malay peninsula and ''orientalis'' in Japan.<br />
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==Taxonomy==
 
[[Legge's Hawk-Eagle]] was formerly considered conspecific.<br />
 
[[Legge's Hawk-Eagle]] was formerly considered conspecific.<br />
 
Like the other [[Asia|Asian]] Hawk-Eagles this species was formerly placed in genus ''[[:Category:Spizaetus|Spizaetus]]''.
 
Like the other [[Asia|Asian]] Hawk-Eagles this species was formerly placed in genus ''[[:Category:Spizaetus|Spizaetus]]''.
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====Subspecies====
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Two subspecies are recognized<sup>[[#References|[1]]]</sup>.
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*''N. n. nipalensis'':
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:*[[India]] to eastern [[China]], [[Taiwan]], [[Indochina]] and [[Malay Peninsula]]
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*''N. n. orientalis'':
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:*[[Japan]]
 
==Habitat==
 
==Habitat==
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Forest and woodland along streams.  
 
Forest and woodland along streams.  
 
==Behaviour==
 
==Behaviour==
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[[Legge's Hawk-Eagle]] has several adaptations to probably hunting between trees and likely eating more mammals than this species.  
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Mostly resident but seems to be an elevational migrant and may also go south to some extent.
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Feeds on smaller mammals up to the size of hares and Japanese macaques, as well as birds up to the similar size.
 
==References==
 
==References==
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#{{Ref-Clements6thAug13}}#Gjershaug et al. 2008: An overlooked threatened species of eagle: Legge’s Hawk-Eagle ''Nisaetus kelaarti'' (Aves: Accipitriformes) [http://www.mapress.com/zootaxa/2008/f/zt01792p066.pdf Zootaxa] 1792: 54–66
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#{{Ref-Clements6thOct22}}#{{Ref-GillDonskerRasmussen22V12.2}}#Gjershaug et al. 2008: An overlooked threatened species of eagle: Legge’s Hawk-Eagle ''Nisaetus kelaarti'' (Aves: Accipitriformes) [http://www.mapress.com/zootaxa/2008/f/zt01792p066.pdf Zootaxa] 1792: 54–66
 
#[http://www.birdforum.net/showthread.php?p=3177907 Birdforum thread] discussing identification of this species
 
#[http://www.birdforum.net/showthread.php?p=3177907 Birdforum thread] discussing identification of this species
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==
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Search for scientific name ''Nisaetus nipalensis'':
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{{GSearch|"Nisaetus nipalensis" {{!}} "Spizaetus nipalensis" {{!}} "Mountain Hawk-Eagle" {{!}} "Mountain Hawk Eagle"}}
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{{GSearch|Nisaetus+nipalensis}}
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<br />
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Search for scientific name ''Spizaetus nipalensis'':
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{{VSearch|"Nisaetus nipalensis" {{!}} "Spizaetus nipalensis" {{!}} "Mountain Hawk-Eagle" {{!}} "Mountain Hawk Eagle"}}
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{{GSearch|Spizaetus+nipalensis}}
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{{GS-checked}}1
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Search the Gallery for videos of Mountain Hawk-Eagle:
 
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{{GSearch|"Mountain Hawk-Eagle", video}}
 
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{{GS-checked}}
 
 
<br />
 
<br />
 
<br />
 
<br />
  
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[[Category:Birds]] [[Category:Spizaetus]] [[Category:Nisaetus]] [[Category:Videos]]
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[[Category:Birds]] [[Category:Nisaetus]] [[Category:Videos]]

Latest revision as of 18:48, 31 May 2023

Posture and detail of face, tarsi and underbody
Photo © by Alok Tewari
Nainital, Uttarakhand Himalayas, Altitude 6500 feet above msl, India
6 November 2012

Alternative name: Hodgson's Hawk-Eagle

Nisaetus nipalensis

Spizaetus nipalensis

Photo by Peter Ericsson
Picture taken at Khao Yai National Park, Thailand.

Identification

Large hawk-eagle at 66–84 cm

  • Brownish above
  • Crest size varies geographically
  • Barred below
  • Wings relatively short
  • Tail long, with bars of even size
  • Eyes yellow to orange

Juveniles paler, almost all-white below

Similar species

Changeable Hawk Eagle (see references)

Distribution

Asia: India, Nepal, Bhutan, China, Taiwan, Thailand, and Japan.

Adult mobbed by Large-billed Crows
Photo © by Alok Tewari
Hill Station Ranikhet, Alt. 6500 ft., Uttarakhand Himalayas, India, 7 October 2021

Taxonomy

Legge's Hawk-Eagle was formerly considered conspecific.
Like the other Asian Hawk-Eagles this species was formerly placed in genus Spizaetus.

Subspecies

Two subspecies are recognized[1].

  • N. n. nipalensis:
  • N. n. orientalis:

Habitat

Forest and woodland along streams.

Behaviour

Mostly resident but seems to be an elevational migrant and may also go south to some extent.

Feeds on smaller mammals up to the size of hares and Japanese macaques, as well as birds up to the similar size.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, T. A. Fredericks, J. A. Gerbracht, D. Lepage, S. M. Billerman, B. L. Sullivan, and C. L. Wood. 2022. The eBird/Clements checklist of Birds of the World: v2022. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/
  2. Gill, F, D Donsker, and P Rasmussen (Eds). 2022. IOC World Bird List (v 12.2) DRAFT. Doi 10.14344/IOC.ML.12.2. http://www.worldbirdnames.org/
  3. Gjershaug et al. 2008: An overlooked threatened species of eagle: Legge’s Hawk-Eagle Nisaetus kelaarti (Aves: Accipitriformes) Zootaxa 1792: 54–66
  4. Birdforum thread discussing identification of this species

Recommended Citation

External Links


GSearch checked for 2020 platform.1

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