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Difference between revisions of "Arctic Warbler" - BirdForum Opus

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[[Image:Arctic_Warbler.jpg|thumb|550px|right|''P. b. borealis''<br />Photo by {{user|LeeDavis|LeeDavis}}<br /> [[Bempton Cliffs]], [[England]], September 2004]]
[[Image:Arctic_Warbler.jpg|thumb|550px|right|Photo by LeeDavis<br>Location: [[Bempton Cliffs and Flamborough Head|RSPB Bempton Cliffs]], England]]
 
 
;[[:Category:Phylloscopus|Phylloscopus]] borealis
 
;[[:Category:Phylloscopus|Phylloscopus]] borealis
 
 
==Identification==
 
==Identification==
11cm. Grey-green above, off-white below, single wing bar, heavy dagger-like bill, with a dark tip to the lower mandible.
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Length 12–13 cm (4¾-5 in), weight 7.5–15 g<br />
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*Olive-green above, greyish-white below. A single noticeable wing bar, and another less distinct, in fresh plumage (though sometimes one or both can be lost when feathers become worn). Long white supercillium and a broad dark eyestripe.
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*Thick wedge-shaped bill, with a dark tip to the lower mandible.
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*Flat forehead and slight peak to the hindcrown.
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*Legs pinkish-brown.
  
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====Similar Species====
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See [[Japanese Leaf Warbler]] and [[Kamchatka Leaf Warbler]] for the complex identification of these recently split taxa. Can also be confused with [[Greenish Warbler]], which is slightly smaller and has a different, disyllabic call.
 
==Distribution==
 
==Distribution==
Breeds in northern [[Asia]] and [[Siberia]]. Also breeds in [[Alaska]].
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'''Breeds''' in [[Alaska]], northern [[Asia]], [[Scandinavia]], and [[Siberia]].  
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'''Migration''' mostly through eastern Asia, but rare but increasing sightings in western [[Europe]], including the east coast of the [[UK]], in the autumn.
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'''Winters''' South-east Asia, [[Thailand]], [[Burma]] and [[Indonesia]].
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'''Vagrant''' in northern [[Western Australia]].
  
 
==Taxonomy==
 
==Taxonomy==
It has 3 subspecies;
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[[Japanese Leaf Warbler]] ''P. xanthodryas'' and [[Kamchatka Leaf Warbler]] ''P. examinandus'' were formerly included in this species as additional subspecies.
* ''P. b. borealis''
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====Subspecies====
* ''P. b. xanthodryas''
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This is a [[Dictionary_M-S#M|monotypic]] species<sup>[[#References|[1]]]</sup>.  
* ''P. b. kennikotti''
 
  
 
==Habitat==
 
==Habitat==
Mixed birch forest near water.
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Mixed coniferous, birch and other broadleaved woods, also in lush undergrowth near water. Most are in lowlands but the Kamtchatka breeds in higher elevation subalpine forests.
 
 
 
==Behaviour==
 
==Behaviour==
The nest is on the ground in a low shrub.
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Very active bird, constantly flitting around in the tree canopy.
 
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====Flight====
The diet includes small arthropods, picked off vegetation or in flight.
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Dashing flight. Flicks wings and tail when at rest.
 
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====Breeding====
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The nest is on the ground in a low shrub.  
 +
====Diet====
 +
The diet includes small arthropods, picked off vegetation or in flight.  
 
====Vocalisation====
 
====Vocalisation====
<flashmp3>Phylloscopus borealis (song).mp3</flashmp3><br />
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{{Audio|Phylloscopus borealis (song).mp3}}
''[[Media:Phylloscopus borealis (song).mp3|Listen in an external program]]''
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==References==
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#{{Ref-Clements6thAug19}}#{{Ref-GillDonskerRasmussen21V11.1}}#[http://www.birdforum.net/showthread.php?p=1507188 Taxonomy thread] discussing Arctic Warbler read in June 2009
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#Wikipedia
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#BTO Bird Facts
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#Collins Field Guide 5th Edition
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#Collins Bird Guide ISBN 0 00 219728 6
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{{ref}}
 
==External Links==
 
==External Links==
 
{{GSearch|Phylloscopus+borealis}}  
 
{{GSearch|Phylloscopus+borealis}}  
  
 
[[Category:Birds]] [[Category:Phylloscopus]]  [[Category:Bird Songs]]
 
[[Category:Birds]] [[Category:Phylloscopus]]  [[Category:Bird Songs]]
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{{GS-checked}}
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<br />
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<br />

Latest revision as of 10:19, 21 March 2022

P. b. borealis
Photo by LeeDavis
Bempton Cliffs, England, September 2004
Phylloscopus borealis

Identification

Length 12–13 cm (4¾-5 in), weight 7.5–15 g

  • Olive-green above, greyish-white below. A single noticeable wing bar, and another less distinct, in fresh plumage (though sometimes one or both can be lost when feathers become worn). Long white supercillium and a broad dark eyestripe.
  • Thick wedge-shaped bill, with a dark tip to the lower mandible.
  • Flat forehead and slight peak to the hindcrown.
  • Legs pinkish-brown.

Similar Species

See Japanese Leaf Warbler and Kamchatka Leaf Warbler for the complex identification of these recently split taxa. Can also be confused with Greenish Warbler, which is slightly smaller and has a different, disyllabic call.

Distribution

Breeds in Alaska, northern Asia, Scandinavia, and Siberia.

Migration mostly through eastern Asia, but rare but increasing sightings in western Europe, including the east coast of the UK, in the autumn.

Winters South-east Asia, Thailand, Burma and Indonesia.

Vagrant in northern Western Australia.

Taxonomy

Japanese Leaf Warbler P. xanthodryas and Kamchatka Leaf Warbler P. examinandus were formerly included in this species as additional subspecies.

Subspecies

This is a monotypic species[1].

Habitat

Mixed coniferous, birch and other broadleaved woods, also in lush undergrowth near water. Most are in lowlands but the Kamtchatka breeds in higher elevation subalpine forests.

Behaviour

Very active bird, constantly flitting around in the tree canopy.

Flight

Dashing flight. Flicks wings and tail when at rest.

Breeding

The nest is on the ground in a low shrub.

Diet

The diet includes small arthropods, picked off vegetation or in flight.

Vocalisation

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. Gill F, D Donsker & P Rasmussen (Eds). 2021. IOC World Bird List (v11.1). doi : 10.14344/IOC.ML.11.1. http://www.worldbirdnames.org/#Taxonomy thread discussing Arctic Warbler read in June 2009
  3. Wikipedia
  4. BTO Bird Facts
  5. Collins Field Guide 5th Edition
  6. Collins Bird Guide ISBN 0 00 219728 6

Recommended Citation

External Links

GSearch checked for 2020 platform.

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