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Cladus: Eukaryota
Supergroup: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Classis: Aves
Subclassis: Carinatae
Infraclassis: Neornithes
Parvclassis: Neognathae
Ordo: Charadriiformes
Subordo: Charadrii
Familia: Recurvirostridae
Genus: Recurvirostra
Species: R. americana - R. andina - R. avosetta - R. novaehollandiae


Recurvirostra Linnaeus, 1758


Systema Naturae ed.10 p.151

Vernacular names
English: Avocet
Español: Avoceta
Français: Avocette
Türkçe: Kılıçgaga

The four species of Avocets (pronounced /ˈævəsɛt/) are a genus, Recurvirostra, of waders in the same avian family as the stilts.

Avocets have long legs and long, thin, upcurved bills (giving their scientific name Recurvirostra) which they sweep from side to side when feeding in the brackish or saline wetlands they prefer. The plumage is pied, sometimes also with some red.

Members of this species have webbed feet and readily swim. Their diet consists of aquatic insects and other small creatures. They nest on the ground in loose colonies. In estuarine settings they may feed on exposed bay muds or mudflats.

The Pied Avocet is the emblem of the Royal Society for the Protection of Birds.

The four species, all in the genus Recurvirostra, are:

* Pied Avocet, Recurvirostra avosetta
* American Avocet, Recurvirostra americana
* Red-necked Avocet, Recurvirostra novaehollandiae
* Andean Avocet, Recurvirostra andina

In a large colony they are aggressively defensive and chase off any other species of birds that try to nest among or near them. That causes the annoyed remark "Avocet : Exocet" from some British birdwatchers.[1]

They had been extinct in Britain for a long time because of land reclamation of their habitat and persecution by skin and egg collectors, but during or soon after World War II started breeding on reclaimed land near the Wash which was returned to salt marsh to make difficulties for any landing German invaders.


1. ^ BBC TV 1 program The One Show, 7-7.30 pm 16 January 2008

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Source: Wikipedia, Wikispecies: All text is available under the terms of the GNU Free Documentation License