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Slaty-backed Gull

From Opus

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 +[[Image:Slaty-backed_Gull.jpg|thumb|550px|right|Photo by {{user|rb_stern|rb stern}}<br />Glace Bay, [[Nova Scotia]], [[Canada]], January 2004]]
;[[:Category:Larus|Larus]] schistisagus ;[[:Category:Larus|Larus]] schistisagus
'''Alternative Names: Kamchatka Gull, Pacific Gull.''' '''Alternative Names: Kamchatka Gull, Pacific Gull.'''
- 
-[[Image:Slaty-backed_Gull.jpg|thumb|550px|right|Photo by rb stern<br />Photo taken: Thand.]] 
==Identification== ==Identification==
L. 27 inches (68.5 cm) L. 27 inches (68.5 cm)
-Slate-gray back, upper wings, dark outer primaries separated from mantle by row of white spots, underside of primaries is grey, broad white trailing edge to wings, white head, belly and tail.. Bright pink legs, feet. Yellow eyes with red orbital ring. Yellow bill has red spot near tip.+====Breeding Adult====
- +*White head, belly, and tail
-Immature: Brown. Immature is similar to [[Great Black-backed Gull]], but paler.+*Dark, slaty-gray back and wings
- +**Broad white trailing edge
-====Similar Species====+[[Image:IMG 4100.jpg|thumb|350px|right|1st Calendar Year<br />Photo by {{user|Ayuwat+J|Ayuwat J}}<br />Beppu, Oita, Japan]]
 +*Underside of wings features a "string of pearls" along the edges
 +**Can be seen from below when the bird is in flight
 +*Yellow eyes
 +*Pink legs (appear shorter than similar gulls)
 +*Body appears stouter than similar gulls
 +*Yellow bill with orange-red subterminal band
 +====Immature====
 +Brown
 +===Similar Species===
The wings and back are slightly darker than those of the [[Western Gull]].<br/> The wings and back are slightly darker than those of the [[Western Gull]].<br/>
- +Immature is similar to [[Great Black-backed Gull]], but paler.
-It is similar in appearance to the [[Western Gull]] and the [[Glaucous-winged Gull]].+
- +
==Distribution== ==Distribution==
It is a common coastal breeding species in northeastern [[Asia]], wintering southward to [[Japan]], [[Korea]] and [[China]]. Frequently wanders to the western [[Alaska]] shorelines. Now annual in northeastern North America with records in many states. It is a common coastal breeding species in northeastern [[Asia]], wintering southward to [[Japan]], [[Korea]] and [[China]]. Frequently wanders to the western [[Alaska]] shorelines. Now annual in northeastern North America with records in many states.
- +[[Image:Slaty-backed Gull1.jpg|thumb|350px|right|Photo by {{user|DaninJapan|DaninJapan}}<br />Akuna, Kagoshima, [[Japan]], January 2009]]
==Taxonomy== ==Taxonomy==
- +This is a [[Dictionary_M-S#M|monotypic]] species<sup>[[#References|[1]]]</sup>.
==Habitat== ==Habitat==
Coastal areas. Coastal areas.
==Behaviour== ==Behaviour==
-Diet: Forager and a scavenger+====Diet====
 +Forager and a scavenger.
 +==References==
 +#{{Ref-Clements6thDec10}}#Avianweb
 +{{ref}}
==External Links== ==External Links==
{{GSearch|Larus+schistisagus}} {{GSearch|Larus+schistisagus}}
*[http://www.orientalbirdimages.org/birdimages.php?action=birdspecies&Bird_ID=944&Bird_Image_ID=1578&Bird_Family_ID=104 View more images of this species on Orientalbirdimages] *[http://www.orientalbirdimages.org/birdimages.php?action=birdspecies&Bird_ID=944&Bird_Image_ID=1578&Bird_Family_ID=104 View more images of this species on Orientalbirdimages]
-[[Category:Birds]][[Category:Larus]][[category:incomplete]]+[[Category:Birds]][[Category:Larus]]

Current revision

Photo by rb sternGlace Bay, Nova Scotia, Canada, January 2004
Photo by rb stern
Glace Bay, Nova Scotia, Canada, January 2004
Larus schistisagus

Alternative Names: Kamchatka Gull, Pacific Gull.

Contents

[edit] Identification

L. 27 inches (68.5 cm)

[edit] Breeding Adult

  • White head, belly, and tail
  • Dark, slaty-gray back and wings
    • Broad white trailing edge
1st Calendar YearPhoto by Ayuwat JBeppu, Oita, Japan
1st Calendar Year
Photo by Ayuwat J
Beppu, Oita, Japan
  • Underside of wings features a "string of pearls" along the edges
    • Can be seen from below when the bird is in flight
  • Yellow eyes
  • Pink legs (appear shorter than similar gulls)
  • Body appears stouter than similar gulls
  • Yellow bill with orange-red subterminal band

[edit] Immature

Brown

[edit] Similar Species

The wings and back are slightly darker than those of the Western Gull.
Immature is similar to Great Black-backed Gull, but paler.

[edit] Distribution

It is a common coastal breeding species in northeastern Asia, wintering southward to Japan, Korea and China. Frequently wanders to the western Alaska shorelines. Now annual in northeastern North America with records in many states.

Photo by DaninJapanAkuna, Kagoshima, Japan, January 2009
Photo by DaninJapan
Akuna, Kagoshima, Japan, January 2009

[edit] Taxonomy

This is a monotypic species[1].

[edit] Habitat

Coastal areas.

[edit] Behaviour

[edit] Diet

Forager and a scavenger.

[edit] References

  1. Clements, JF. 2010. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2010. Ithaca: Cornell Univ. Press. ISBN 978-0801445019. Spreadsheet available at http://www.birds.cornell.edu/clementschecklist/Clements%206.5.xls/view
  2. Avianweb

[edit] External Links

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