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Difference between revisions of "Brown Wood Owl" - BirdForum Opus

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;[[:Category:Strix|Strix]] leptogrammica
 
;[[:Category:Strix|Strix]] leptogrammica
  
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'''Includes Bartels's Wood-Owl; Himalayan Wood-Owl
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'''Includes Bartels's Wood-Owl, Himalayan Wood-Owl, Nias Wood Owl, Sunda Wood Owl'''
 
==Identification==
 
==Identification==
 
[[Image:Brown_Wood_Owl_Alok.JPG|thumb|350px|right|Subspecies ''S. l. newarensis''<br />Photo by {{user|aloktewari|Alok Tewari}}<br />Sattal Forest, Uttarakhand [[Himalayas]], [[India]], 6 April 2023]]
 
[[Image:Brown_Wood_Owl_Alok.JPG|thumb|350px|right|Subspecies ''S. l. newarensis''<br />Photo by {{user|aloktewari|Alok Tewari}}<br />Sattal Forest, Uttarakhand [[Himalayas]], [[India]], 6 April 2023]]
 
39–55 cm (15¼-21½ in)
 
39–55 cm (15¼-21½ in)
−
*Dark brown upperparts
+
*upperparts dark brown
−
*White spotted shoulders
+
*shoulders spotted white
−
*Buff, brown-streaked underparts
+
*underparts buff, brown-streaked
−
*White or whitish facial disc with brown or rufous rim
+
*facial disc white or whitish with brown or rufous rim
−
*Dark brown iris
+
*iris dark brown  
−
*White neckband<br />
+
*neckband white
 
Sexes similar
 
Sexes similar
 
==Distribution==
 
==Distribution==
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'''Southeast Asia''': [[Indochina]], [[Myanmar]], [[Laos]], [[Vietnam]], [[Cambodia]], [[Thailand]], [[Malaysia]], [[Malay Peninsula]], [[Brunei]], [[Borneo]], [[Indonesia]], [[Greater Sundas]], [[Sumatra]]
 
'''Southeast Asia''': [[Indochina]], [[Myanmar]], [[Laos]], [[Vietnam]], [[Cambodia]], [[Thailand]], [[Malaysia]], [[Malay Peninsula]], [[Brunei]], [[Borneo]], [[Indonesia]], [[Greater Sundas]], [[Sumatra]]
 
==Taxonomy==
 
==Taxonomy==
 +
Reference [[#References|[5]]] separates subspecies ''bartelsi'', ''chaseni'', ''leptogrammica'', ''myrtha'', ''niasensis'', ''nyctiphasma'' and ''vaga'' as "Sunda Wood Owl", ''S. leptogrammica''  based on morphological and vocal differences. It notes that ''niasensis'' may be elevated separately as "Nias Wood Owl", ''S. niasensis'' for the same reasons.
 
====Subspecies====
 
====Subspecies====
 
[[Image:TMS2226N.jpg|thumb|350px|right|Juvenile, Subspecies ''S. l. ticehursti''<br />Photo &copy; by {{user|Godwin+Chan|Godwin Chan}}<br />[[Hong Kong]], 9 June 2020]]
 
[[Image:TMS2226N.jpg|thumb|350px|right|Juvenile, Subspecies ''S. l. ticehursti''<br />Photo &copy; by {{user|Godwin+Chan|Godwin Chan}}<br />[[Hong Kong]], 9 June 2020]]
−
There are 14 subspecies<sup>[[#References|[1]]]</sup>:
+
Clements recognises the following subspecies [[#References|[1]]]:
 
*''S. l. newarensis'': '''Himalayan Wood-Owl''' [[Himalayas]] (Jammu and Kashmir to north-eastern [[India]])
 
*''S. l. newarensis'': '''Himalayan Wood-Owl''' [[Himalayas]] (Jammu and Kashmir to north-eastern [[India]])
 
*''S. l. ticehursti'': [[Myanmar]] to south-eastern [[China]], [[Thailand]], northern [[Laos]] and northern [[Vietnam]]
 
*''S. l. ticehursti'': [[Myanmar]] to south-eastern [[China]], [[Thailand]], northern [[Laos]] and northern [[Vietnam]]
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*''S. l. ochrogenys'': [[Sri Lanka]]
 
*''S. l. ochrogenys'': [[Sri Lanka]]
 
*''S. l. maingayi'': Southern [[Myanmar]], southern [[Thailand]] and [[Malay Peninsula]]
 
*''S. l. maingayi'': Southern [[Myanmar]], southern [[Thailand]] and [[Malay Peninsula]]
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*''S. l. myrtha'': [[Sumatra]]
+
*''S. l. myrtha'': "'''Sunda Wood Owl'''". [[Sumatra]]
−
*''S. l. nyctiphasma'': Banyak Island (off north-western [[Sumatra]])
+
*''S. l. nyctiphasma'': "'''Sunda Wood Owl'''". Banyak Island (off north-western [[Sumatra]])
−
*''S. l. niasensis'': Nias Island (off north-western [[Sumatra]])
+
*''S. l. niasensis'': "'''Nias Wood Owl'''" or "'''Sunda Wood Owl'''". Nias Island (off north-western [[Sumatra]])
−
*''S. l. chaseni'': Belitung Island (Java Sea off south-eastern [[Sumatra]])
+
*''S. l. chaseni'': "'''Sunda Wood Owl'''". Belitung Island (Java Sea off south-eastern [[Sumatra]])
−
*''S. l. vaga'': Northern [[Borneo]]
+
*''S. l. vaga'': "'''Sunda Wood Owl'''". Northern [[Borneo]]
−
*''S. l. leptogrammica'': Central and southern [[Borneo]]
+
*''S. l. leptogrammica'': "'''Sunda Wood Owl'''". Central and southern [[Borneo]]
−
*''S. l. bartelsi'': '''Bartel's Wood-Owl''' [[Java]]
+
*''S. l. bartelsi'': "'''Bartel's Wood-Owl'''" or  "'''Sunda Wood Owl'''". [[Java]]
 
==Habitat==
 
==Habitat==
 
Dense lowland primary rainforest (broad-leaved and evergreen) and forest edges, up to 2,590m. Avoids human habitated areas.
 
Dense lowland primary rainforest (broad-leaved and evergreen) and forest edges, up to 2,590m. Avoids human habitated areas.
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#Handbook of the Birds of the World Alive (retrieved Feb 2018)
 
#Handbook of the Birds of the World Alive (retrieved Feb 2018)
 
#BirdForum Member observations
 
#BirdForum Member observations
 +
#{{Ref-Eatonetal21}}
 +
 
{{ref}}
 
{{ref}}
 
==External Links==
 
==External Links==
−
{{GSearch|Strix+leptogrammica}}  
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{{GSearch|"Strix leptogrammica" {{!}} "Brown Wood Owl" {{!}} "Bartels's Wood-Owl" {{!}} "Himalayan Wood-Owl" {{!}} "Nias Wood Owl" {{!}} "Sunda Wood Owl"}}
−
[[Category:Birds]][[Category:Strix]]
+
<br />
 +
{{VSearch|"Strix leptogrammica" {{!}} "Brown Wood Owl" {{!}} "Bartels's Wood-Owl" {{!}} "Himalayan Wood-Owl" {{!}} "Nias Wood Owl" {{!}} "Sunda Wood Owl"}}  
 +
{{GS-checked}}1
 +
<br />
 +
<br />
 +
 
 +
[[Category:Birds]][[Category:Strix]][[Category:Videos]]

Latest revision as of 22:58, 9 September 2023

Subspecies S. l. maingayi
Photo by the late Laurence Poh
Temenggor Forest in North Perak, Malaysia, August 2003
Strix leptogrammica

Includes Bartels's Wood-Owl, Himalayan Wood-Owl, Nias Wood Owl, Sunda Wood Owl

Identification

Subspecies S. l. newarensis
Photo by Alok Tewari
Sattal Forest, Uttarakhand Himalayas, India, 6 April 2023

39–55 cm (15¼-21½ in)

  • upperparts dark brown
  • shoulders spotted white
  • underparts buff, brown-streaked
  • facial disc white or whitish with brown or rufous rim
  • iris dark brown
  • neckband white

Sexes similar

Distribution

Asia: found in China, India, Sri Lanka, Bangladesh, Bhutan, Taiwan
Southeast Asia: Indochina, Myanmar, Laos, Vietnam, Cambodia, Thailand, Malaysia, Malay Peninsula, Brunei, Borneo, Indonesia, Greater Sundas, Sumatra

Taxonomy

Reference [5] separates subspecies bartelsi, chaseni, leptogrammica, myrtha, niasensis, nyctiphasma and vaga as "Sunda Wood Owl", S. leptogrammica based on morphological and vocal differences. It notes that niasensis may be elevated separately as "Nias Wood Owl", S. niasensis for the same reasons.

Subspecies

Juvenile, Subspecies S. l. ticehursti
Photo © by Godwin Chan
Hong Kong, 9 June 2020

Clements recognises the following subspecies [1]:

  • S. l. newarensis: Himalayan Wood-Owl Himalayas (Jammu and Kashmir to north-eastern India)
  • S. l. ticehursti: Myanmar to south-eastern China, Thailand, northern Laos and northern Vietnam
  • S. l. caligata: Hainan and Taiwan
  • S. l. laotiana: Southern Laos and central Vietnam (Annam)
  • S. l. indranee: Peninsular India
  • S. l. ochrogenys: Sri Lanka
  • S. l. maingayi: Southern Myanmar, southern Thailand and Malay Peninsula
  • S. l. myrtha: "Sunda Wood Owl". Sumatra
  • S. l. nyctiphasma: "Sunda Wood Owl". Banyak Island (off north-western Sumatra)
  • S. l. niasensis: "Nias Wood Owl" or "Sunda Wood Owl". Nias Island (off north-western Sumatra)
  • S. l. chaseni: "Sunda Wood Owl". Belitung Island (Java Sea off south-eastern Sumatra)
  • S. l. vaga: "Sunda Wood Owl". Northern Borneo
  • S. l. leptogrammica: "Sunda Wood Owl". Central and southern Borneo
  • S. l. bartelsi: "Bartel's Wood-Owl" or "Sunda Wood Owl". Java

Habitat

Dense lowland primary rainforest (broad-leaved and evergreen) and forest edges, up to 2,590m. Avoids human habitated areas.

Juvenile, subspecies S. l. maingayi
Photo by darwin1601
Fraser's Hill, Malaysia

Behaviour

Diet

The diet includes small mammals, especially rodents; also reptiles, grasshoppers and birds. A bird in Java is known to have eaten a bat.

Breeding

They nest in a tree cavity. The clutch consists of 2 eggs.

Vocalisation

They make a very low purring sound. Call is 3-4 short hoots.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, B. L. Sullivan, and C. L. Wood. 2019. The eBird/Clements Checklist of Birds of the World: v2019. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/
  2. Avibase
  3. Handbook of the Birds of the World Alive (retrieved Feb 2018)
  4. BirdForum Member observations
  5. Eaton, JA, B van Balen, NW Brickle, FE Rheindt 2021. Birds of the Indonesian Archipelago (Greater Sundas and Wallacea), Second Edition. Lynx Editions. ISBN978-84-16728-44-2

Recommended Citation

External Links


GSearch checked for 2020 platform.1

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