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Difference between revisions of "Audouin's Gull" - BirdForum Opus

(genus change)
(id)
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44-52cm
 
44-52cm
 
*Mainly white head and body
 
*Mainly white head and body
*Grey wings
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*Pale grey wings
 
*Black tail
 
*Black tail
 
*Short stubby dark red bill with black and yellow tip
 
*Short stubby dark red bill with black and yellow tip
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[[Image:Audouin s-gull-imm-2267a.jpg|thumb|350px|right|Immature<br />Photo by {{user|john-henry|john-henry}}<br />[[Algarve]], [[Portugal]], November 2007]]
 
[[Image:Audouin s-gull-imm-2267a.jpg|thumb|350px|right|Immature<br />Photo by {{user|john-henry|john-henry}}<br />[[Algarve]], [[Portugal]], November 2007]]
 
====Similar Species====
 
====Similar Species====
[[Herring Gull]]
+
[[Herring Gull]]. Considerably paler wing and mantle, and shorter bill than [[Yellow-legged Gull]]. Lacks (or at least reduced) white tertiary wedge on the folded wing.
 
==Distribution==
 
==Distribution==
 
The Mediterranean area, wintering to [[Senegal]].
 
The Mediterranean area, wintering to [[Senegal]].

Revision as of 20:13, 12 May 2014

Photo by IanF
Photo taken: Cala Bona, Mallorca
Ichthyaetus audouinii

Larus audouinii

Identification

44-52cm

  • Mainly white head and body
  • Pale grey wings
  • Black tail
  • Short stubby dark red bill with black and yellow tip
  • Wings: Black wedge on outer primaries with white tip
  • Grey-green legs
  • Dark eye

Juveniles have a brown head that fades to white over four years

Immature
Photo by john-henry
Algarve, Portugal, November 2007

Similar Species

Herring Gull. Considerably paler wing and mantle, and shorter bill than Yellow-legged Gull. Lacks (or at least reduced) white tertiary wedge on the folded wing.

Distribution

The Mediterranean area, wintering to Senegal.

Rare, but populations appear to be increasing.[6]

Taxonomy

This is a monotypic species which is sometimes placed in genus Larus.[1]

Habitat

Breeds in sandy areas with low brush. Rocky sea coasts, saline marshes and reedbeds, saltpans and lakes. Pelagic.

Behaviour

An elegant gull

Photo by nsclayton
Sa Coma, Mallorca, July 2007

Breeding

Two to three eggs are laid on a ground nest and are incubated for 21 days.

Diet

The diet consists mostly of fish snatched from the surface, or by diving; they rarely scavenge.

References

  1. Clements, JF. 2008. The Clements Checklist of Birds of the World. 6th ed., with updates to December 2008. Ithaca: Cornell Univ. Press. ISBN 978-0801445019.
  2. Avibase
  3. ArKive
  4. Collins Field Guide 5th Edition
  5. Collins Bird Guide ISBN 0 00 219728 6
  6. BF Member observations

External Links


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