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Difference between revisions of "Crested Goshawk" - BirdForum Opus

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(Picture with juvenile added. References updated)
m (Reverted edits by Deliatodd-18346 (Talk); changed back to last version by SeeToh)
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[[Image:Crested_Goshawk.jpg|thumb|400px|right|Photo by {{user|Peter+Ericsson|Peter Ericsson}}<br />Khao Yai, [[Thailand]], March 2006]]
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[[Image:Crested_Goshawk.jpg|thumb|450px|right|Photo by {{user|Peter+Ericsson|Peter Ericsson}}<br />Khao Yai, [[Thailand]], March 2006]]
 
;[[:Category:Accipiter|Accipiter]] trivirgatus
 
;[[:Category:Accipiter|Accipiter]] trivirgatus
 
==Identification==
 
==Identification==
−
[[Image:20821266701 edb9577d98 b.jpg|thumb|350px|right|Female ssp ''indicus''<br />Photo by {{user|SeeToh|SeeToh}}<br /> Bishan Park, [[Singapore]], August 2015 ]]
 
 
30–46 cm (11¾-18 in); female larger than male<br />
 
30–46 cm (11¾-18 in); female larger than male<br />
 
Short broad wings and long tail<br />
 
Short broad wings and long tail<br />
Line 14: Line 13:
 
'''Juvenile''': head feathers have pale fringes. Buff underparts. Grey eyes and lacks the dark mesial stripe
 
'''Juvenile''': head feathers have pale fringes. Buff underparts. Grey eyes and lacks the dark mesial stripe
 
====Similar Species====
 
====Similar Species====
 +
[[Image:20821266701 edb9577d98 b.jpg|thumb|350px|right|Female ssp ''indicus''<br />Photo by {{user|SeeToh|SeeToh}}<br /> Bishan Park, [[Singapore]], August 2015 ]]
 
[[Besra]]: which is smaller and lacks the crest.
 
[[Besra]]: which is smaller and lacks the crest.
 
==Distribution==
 
==Distribution==
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[[Image:Heterospizias meridionalis1.jpg|thumb|300px|right|Adult with juvenile on right<br />Photo by {{user|Orozimbo|Orozimbo}}<br />Lins, SP, [[Brazil]], February 2018]]
 
 
Southern [[Asia]]: breeds in western [[India]] and [[Sri Lanka]] and from north-east India and the Himalayas east to south-central and southern [[China]] and [[Taiwan]], south to the [[Malay Peninsula]]. Also occurs on [[Sumatra]], [[Java]], [[Borneo]] and the southern [[Philippines|Philippine]] islands of Palawan, Negros, Leyte, Samar and Mindanao as well as numerous smaller islands. Resident.
 
Southern [[Asia]]: breeds in western [[India]] and [[Sri Lanka]] and from north-east India and the Himalayas east to south-central and southern [[China]] and [[Taiwan]], south to the [[Malay Peninsula]]. Also occurs on [[Sumatra]], [[Java]], [[Borneo]] and the southern [[Philippines|Philippine]] islands of Palawan, Negros, Leyte, Samar and Mindanao as well as numerous smaller islands. Resident.
 
==Taxonomy==
 
==Taxonomy==
 +
 
====Subspecies====
 
====Subspecies====
 +
[[Image:20191164624 6376a05803 b.jpg|thumb|350px|right|Juvenile in flight ssp ''indicus'' <br />Photo by {{user|SeeToh|SeeToh}}<br />Bishan Park, [[Singapore]], August 2015]]
 
There are 11 subspecies<sup>[[#References|[1]]]</sup>:
 
There are 11 subspecies<sup>[[#References|[1]]]</sup>:
 
*''A. t. indicus'': [[India]] and [[Nepal]] to southern [[China]], [[Indochina]] and [[Malay Peninsula]]
 
*''A. t. indicus'': [[India]] and [[Nepal]] to southern [[China]], [[Indochina]] and [[Malay Peninsula]]
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*''A. t. castroi'': Polillo (off Luzon in northern Philippines)
 
*''A. t. castroi'': Polillo (off Luzon in northern Philippines)
 
==Habitat==
 
==Habitat==
−
[[Image:20191164624 6376a05803 b.jpg|thumb|350px|right|Juvenile in flight ssp ''indicus'' <br />Photo by {{user|SeeToh|SeeToh}}<br />Bishan Park, [[Singapore]], August 2015]]
 
 
Lowland and hill forest up to about 2,000 m.  
 
Lowland and hill forest up to about 2,000 m.  
 
==Behaviour==
 
==Behaviour==
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Typical goshawk action of flap, flap, glide. A woodland specialist which relies on surprise to ambush its prey.
 
Typical goshawk action of flap, flap, glide. A woodland specialist which relies on surprise to ambush its prey.
 
====Diet====
 
====Diet====
 +
[[Image:37781123364_dcf4cdd14e c.jpg|thumb|350px|right|Juvenile in flight ssp ''indicus'' <br />Photo by {{user|SeeToh|SeeToh}}<br />Henderson Waves, [[Singapore]], November 2017]]
 
Their diet consists of large insects, small mammals, reptiles; such as lizards and frogs, and birds.
 
Their diet consists of large insects, small mammals, reptiles; such as lizards and frogs, and birds.
 
====Vocalisation====
 
====Vocalisation====
−
[[Image:37781123364_dcf4cdd14e c.jpg|thumb|350px|right|Juvenile in flight ssp ''indicus'' <br />Photo by {{user|SeeToh|SeeToh}}<br />Henderson Waves, [[Singapore]], November 2017]]
 
 
Mostly quiet. Screams when defending nest. Call is a screamed ''he, he, hehehehe''
 
Mostly quiet. Screams when defending nest. Call is a screamed ''he, he, hehehehe''
 
==References==
 
==References==
−
#{{Ref-Clements6thAug17}}#Handbook of the Birds of the World Alive (retrieved March 2016)
+
#{{Ref-Clements6thAug16}}#Handbook of the Birds of the World Alive (retrieved March 2016)
 
#Wikipedia
 
#Wikipedia
 
{{ref}}
 
{{ref}}

Revision as of 22:32, 19 February 2018

Photo by Peter Ericsson
Khao Yai, Thailand, March 2006
Accipiter trivirgatus

Identification

30–46 cm (11¾-18 in); female larger than male
Short broad wings and long tail
Male

  • Dark brown crown
  • Yellow eyes
  • Grey head sides
  • Dark moustachial and mesial stripes
  • Pale underparts has reddish breast streaks and bars on the belly

Female: head sides are browner, and underparts streaks and bars are brown
Juvenile: head feathers have pale fringes. Buff underparts. Grey eyes and lacks the dark mesial stripe

Similar Species

Female ssp indicus
Photo by SeeToh
Bishan Park, Singapore, August 2015

Besra: which is smaller and lacks the crest.

Distribution

Southern Asia: breeds in western India and Sri Lanka and from north-east India and the Himalayas east to south-central and southern China and Taiwan, south to the Malay Peninsula. Also occurs on Sumatra, Java, Borneo and the southern Philippine islands of Palawan, Negros, Leyte, Samar and Mindanao as well as numerous smaller islands. Resident.

Taxonomy

Subspecies

Juvenile in flight ssp indicus
Photo by SeeToh
Bishan Park, Singapore, August 2015

There are 11 subspecies[1]:

  • A. t. indicus: India and Nepal to southern China, Indochina and Malay Peninsula
  • A. t. peninsulae: South-western India
  • A. t. layardi: Sri Lanka
  • A. t. formosae: Taiwan
  • A. t. trivirgatus: Sumatra
  • A. t. niasensis: Nias Island (off western Sumatra)
  • A. t. javanicus: Java (vagrant to Bali)
  • A. t. microstictus: Borneo
  • A. t. palawanus: South-western Philippines (Palawan and Calamianes)
  • A. t. extimus: South-eastern Philippine Islands
  • A. t. castroi: Polillo (off Luzon in northern Philippines)

Habitat

Lowland and hill forest up to about 2,000 m.

Behaviour

Flight Action

Typical goshawk action of flap, flap, glide. A woodland specialist which relies on surprise to ambush its prey.

Diet

Juvenile in flight ssp indicus
Photo by SeeToh
Henderson Waves, Singapore, November 2017

Their diet consists of large insects, small mammals, reptiles; such as lizards and frogs, and birds.

Vocalisation

Mostly quiet. Screams when defending nest. Call is a screamed he, he, hehehehe

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2016. The eBird/Clements checklist of birds of the world: v2016, with updates to August 2016. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Handbook of the Birds of the World Alive (retrieved March 2016)
  3. Wikipedia

Recommended Citation

External Links


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