The
Audouin's Gull is a large
gullGulls are birds in the family Laridae. They are most closely related to the terns and only distantly related to auks, skimmers, and more distantly to the waders...
restricted to the Mediterranean and the western coast of Saharan
AfricaAfrica is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...
. It breeds on small islands colonially or alone, laying 2-3 eggs on a ground
nestA bird nest is the spot in which a bird lays and incubates its eggs and raises its young. Although the term popularly refers to a specific structure made by the bird itself—such as the grassy cup nest of the American Robin or Eurasian Blackbird, or the elaborately woven hanging nest of the...
. As is the case with many gulls, it has traditionally been placed in the
genusIn biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
LarusLarus is a large genus of gulls with worldwide distribution . Many of its species are abundant and well-known birds in their ranges...
.
In the late 1960s, this was one of the World's rarest gulls, with a population of only 1,000 pairs. It has established new colonies, but remains rare with a population of about 10,000 pairs.
This species, unlike many large gulls, rarely scavenges, but is a specialist fish eater, and is therefore strictly coastal and pelagic. This
birdBirds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...
will feed at night, often well out to sea, but also slowly patrols close into beaches, occasionally dangling its legs to increase drag.
The adult basically resembles a small
Herring GullThe European Herring Gull is a large gull , and is the most abundant and best known of all gulls along the shores of western Europe. It breeds across Northern Europe, Western Europe, Scandinavia and the Baltic states...
, the most noticeable differences being the short stubby red bill and "string of pearls" white wing primary tips, rather than the large "mirrors" of some other species. The legs are grey-green. It takes four years to reach adult plumage.
This species shows little tendency to wander from its breeding areas, but there were single records in the
NetherlandsThe Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
and England in May 2003.
This bird is named after the French naturalist
Jean Victoire Audouinthumb|Victor AudouinJean Victoire Audouin , sometimes Victor Audouin, was a French naturalist, an entomologist, ornithologist and malacologist.Audouin was born in Paris and studied medicine...
.
The Audouin's Gull is one of the species to which the
Agreement on the Conservation of African-Eurasian Migratory Waterbirds (
AEWAThe Agreement on the Conservation of African-Eurasian Migratory Waterbirds is the largest of its kind developed so far under the Bonn Convention. It was concluded on 16 June 1995 at The Hague, the Netherlands and entered into force on 1 November 1999 after the required number of at least fourteen...
) applies.
External links