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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.''' | |
| − | |||
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==Identification== | ==Identification== | ||
L. 27 inches (68.5 cm) | L. 27 inches (68.5 cm) | ||
| − | + | ====Breeding Adult==== | |
| − | + | *White head, belly, and tail | |
| − | + | *Dark, slaty-gray back and wings | |
| − | + | **Broad white trailing edge | |
| − | + | [[Image:IMG 4100.jpg|thumb|350px|right|1st Calendar Year<br />Photo by {{user|Ayuwat+J|Ayuwat J}}<br />Beppu, Oita, Japan]] | |
| − | Similar Species | + | *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. | |
| − | |||
| − | |||
==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 | + | ====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:Birds]][[Category:Larus]] |
Revision as of 22:59, 20 February 2011
- Larus schistisagus
Alternative Names: Kamchatka Gull, Pacific Gull.
Identification
L. 27 inches (68.5 cm)
Breeding Adult
- White head, belly, and tail
- Dark, slaty-gray back and wings
- Broad white trailing edge
- 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.
Immature is similar to Great Black-backed Gull, but paler.
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.
Taxonomy
This is a monotypic species[1].
Habitat
Coastal areas.
Behaviour
Diet
Forager and a scavenger.
References
- 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
- Avianweb
Recommended Citation
- BirdForum Opus contributors. (2024) Slaty-backed Gull. In: BirdForum, the forum for wild birds and birding. Retrieved 19 April 2024 from https://www.birdforum.net/opus/Slaty-backed_Gull
