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Difference between revisions of "Great Grey Shrike" - BirdForum Opus

(Flight picture. Subspecies. References)
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'''Alternative name: Northern Shrike'''
 
'''Alternative name: Northern Shrike'''
[[Image:Northern_Shrike.jpg|thumb|550px|right|Photo by {{user|rayh|rayh}}<br />Adult Great Grey Shrike at [[Spurn Peninsula|Spurn Point]], [[England]]]]
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[[Image:Northern_Shrike.jpg|thumb|450px|right|Photo by {{user|rayh|rayh}}<br /> [[Spurn Peninsula|Spurn Point]], [[England]], October 2003]]
 
;[[:Category:Lanius|Lanius]] excubitor
 
;[[:Category:Lanius|Lanius]] excubitor
 
==Identification==
 
==Identification==
22-26 cm.
+
22-26 cm<br />
 
'''Adult'''
 
'''Adult'''
 
*Grey head and back
 
*Grey head and back
Line 15: Line 15:
 
*Brownish wash above
 
*Brownish wash above
 
==Distribution==
 
==Distribution==
Northern Palearctic, Holarctic, and Oriental regions.
+
[[Image:IMG 8831anr.jpg|thumb|350px|right|Photo by {{user|IanF|IanF}}<br />Coatham Wood, Longnewton, [[County Durham]], [[UK]], February 2012 ]]
 +
Northern [[Dictionary_P-S#P|PaleaIMG 8831anr.jpgrctic]], Holarctic, and Oriental regions.
 
==Taxonomy==
 
==Taxonomy==
Polytypic. Consists of nine subspecies.<br />
 
 
Was formerly considered conspecific with [[Southern Grey Shrike]].
 
Was formerly considered conspecific with [[Southern Grey Shrike]].
 +
====Subspecies====
 +
This is a [[Dictionary_M-S#P|polytipic]] species consisting of nine subspecies<sup>[[#References|[1]]]</sup>.<br />:
 +
'''European Group'''
 +
*''L. e. excubitor ''': Western and northern [[Europe]] to western [[Siberia]]
 +
*''L. e.r homeyeri''': Balkan Peninsula to southern Ural Mountains and western Siberia
 +
*''L. e. leucopterus'': Western Siberia to Yenisey River<br />
 +
'''Asian Group'''
 +
*''L. e. sibiricus'': Eastern Siberia to northern [[Mongolia]] and Kamchatka Peninsula
 +
*''L. e. bianchii'': Sakhalin and southern Kuril Islands (northern [[Japan]])
 +
*''L. e. mollis'': [[Russia|Russian]] Altai and north-western Mongolia
 +
*''L. e. funereus'': Western [[China]] (Tien Shan Mountains)<br />
 +
'''American Group'''
 +
*''L. e. invictus'': Northern [[Alaska]] to extreme northern [[British Columbia]] and [[Alberta]]
 +
*''L. e. borealis'': Eastern [[Canada]] ([[Quebec]] and northern [[Ontario]]); winters to north eastern [[US]]
 
==Habitat==
 
==Habitat==
 
Upland forests and bogs.
 
Upland forests and bogs.
 
==Behaviour==
 
==Behaviour==
Diet includes small mammals and birds and it often stores uneaten prey by impaling it on thorns. This habit has earned it the nickname "butcher bird". Northern Shrikes commonly hunt from a very high perch usually a tall tree top.
+
====Diet====
 
+
Diet includes small mammals and birds and it often stores uneaten prey by impaling it on thorns. This habit has earned it the nickname "butcher bird". They commonly hunt from a very high perch usually a tall tree top.
 
====Vocalisation====
 
====Vocalisation====
 
====Song====
 
====Song====
Line 31: Line 45:
 
====Call====
 
====Call====
 
A harsh ''shek-shek'', grating ''jaaeg'', rapid rasping ''aak...aak'', a sharp metallic ''beek.''
 
A harsh ''shek-shek'', grating ''jaaeg'', rapid rasping ''aak...aak'', a sharp metallic ''beek.''
 
+
==References==
 +
#{{Ref-Clements6thAug13}}
 +
{{ref}}
 
==External Links==
 
==External Links==
{{GSearch|Lanius+excubitor}}
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{{GSearch|Shrike+excubitor}}
 
<br />
 
<br />
 
This link searches for Great Grey Shrike
 
This link searches for Great Grey Shrike

Revision as of 20:22, 24 July 2014

Alternative name: Northern Shrike

Photo by rayh
Spurn Point, England, October 2003
Lanius excubitor

Identification

22-26 cm
Adult

  • Grey head and back
  • White belly, throat and chest
  • Black wings with white patch
  • Medium-long tail black with white outer feathers
  • Black mask on face
  • Distinctive stout, hooked bill

Juvenile

  • Barred brown below
  • Brownish wash above

Distribution

Photo by IanF
Coatham Wood, Longnewton, County Durham, UK, February 2012

Northern PaleaIMG 8831anr.jpgrctic, Holarctic, and Oriental regions.

Taxonomy

Was formerly considered conspecific with Southern Grey Shrike.

Subspecies

This is a polytipic species consisting of nine subspecies[1].
: European Group

  • L. e. excubitor ': Western and northern Europe to western Siberia
  • L. e.r homeyeri': Balkan Peninsula to southern Ural Mountains and western Siberia
  • L. e. leucopterus: Western Siberia to Yenisey River

Asian Group

  • L. e. sibiricus: Eastern Siberia to northern Mongolia and Kamchatka Peninsula
  • L. e. bianchii: Sakhalin and southern Kuril Islands (northern Japan)
  • L. e. mollis: Russian Altai and north-western Mongolia
  • L. e. funereus: Western China (Tien Shan Mountains)

American Group

Habitat

Upland forests and bogs.

Behaviour

Diet

Diet includes small mammals and birds and it often stores uneaten prey by impaling it on thorns. This habit has earned it the nickname "butcher bird". They commonly hunt from a very high perch usually a tall tree top.

Vocalisation

Song

A complex and variable medley of short liquid trills, whistles, chatter and harsh notes and often mimic the calls and songs of other birds such as Blue Jays, Gray Catbirds, American Robins, and Song Sparrows.

<flashmp3>Lanius excubitor (song).mp3</flashmp3>
Listen in an external program

Call

A harsh shek-shek, grating jaaeg, rapid rasping aak...aak, a sharp metallic beek.

References

  1. Clements, J. F., T. S. Schulenberg, M. J. Iliff, B.L. Sullivan, C. L. Wood, and D. Roberson. 2013. The eBird/Clements checklist of birds of the world: Version 6.8., with updates to August 2013. Downloaded from http://www.birds.cornell.edu/clementschecklist/download/

Recommended Citation

External Links


This link searches for Great Grey Shrike

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