Actitis hypoleucos

Actitis hypoleucos (*)

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: Scolopacidae
Genus: Actitis
Species: Actitis hypoleucos

Name

Actitis hypoleucos (Linnaeus, 1758)

Synonyms

Tringa hypoleucos

Vernacular names
Internationalization
Česky: Pisík obecný
Deutsch: Flussuferläufer
Ελληνικά: Ακτίτης
English: Common Sandpiper
Français: Chevalier guignette
Galego: Bilurico bailón
한국어: 깝짝도요
Türkçe: Dere düdükçünü

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The Common Sandpiper, Actitis hypoleucos, is a small Palearctic wader. This bird and its American sister species, the Spotted Sandpiper (A. macularia), make up the genus Actitis. They are parapatric and replace each other geographically; stray birds of either species may settle down with breeders of the other and hybridize. Hybridization has also been reported between the Common Sandpiper and the Green Sandpiper, a basal species of the closely related shank genus Tringa.

Description

The adult is 18-20 cm long, with a 32-35 cm wingspan. It has greyish brown upperparts, white underparts, short dark-yellowish legs and feet, and a bill with a pale base and dark tip. In winter plumage, they are duller and have more conspicuous barring on the wings, though this is still only visible at close range. Juveniles are more heavily barred above and have buff edges to the wing feathers.[1]

This species is very similar to the slightly larger Spotted Sandpiper (A. macularia) in non-breeding plumage. But its darker legs and feet and the crisper wing pattern (visible in flight) tend to give it away, and of course they are only rarely found in the same location.[1]

Ecology

It is a gregarious bird and is seen in large flocks, and has the distinctive stiff-winged flight, low over the water, of Actitis waders. The Common Sandpiper breeds across most of temperate and subtropical Europe and Asia, and migrates to Africa, southern Asia and Australia in winter. The eastern edge of its migration route passes by Palau in Micronesia, where hundreds of birds may gather for a stop-over. They depart the Palau region for their breeding quarters around the last week of April to the first week of May.[2]

The Common Sandpiper forages by sight on the ground or in shallow water, picking up small food items such as insects, crustaceans and other invertebrates; it may even catch insects in flight. In the Nukumanu language of the Nukumanu Islands (Papua New Guinea), this species is usually called tiritavoi. Another Nukumanu name for it, matakakoni, exists, but this is considered somewhat taboo and not used when children and women are around. The reason for this is that matakakoni means "bird that walks a little, then copulates", in reference to the pumping tail and thrusting head movements the Actitis species characteristically perform during foraging.[3]

It nests on the ground near freshwater. When threatened, the young may cling to their parent's body to be flown away to safety.[4]

The Common Sandpiper is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.

It is widespread and common, and therefore classified as a Species of Least Concern by the IUCN.[5]

Footnotes

1. ^ a b Hayman et al. (1986)
2. ^ Hayman et al. (1986), VanderWerf et al. (2006)
3. ^ Hayman et al. (1986), Hadden (2004)
4. ^ Hayman et al. (1986), Mann (1991)
5. ^ BLI (2008)


References

* BirdLife International (BLI) (2008). Actitis hypoleucos. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 20 May 2009.
* Hadden, Don W. (2004): Birds of the northern atolls of the North Solomons Province of Papua New Guinea. Notornis 51(2): 91–102. PDF fulltext
* Hayman, Peter; Marchant, John & Prater, Tony (1986): Shorebirds: an identification guide to the waders of the world. Houghton Mifflin, Boston. ISBN 0-395-60237-8
* Mann, Clive F. (1991): Sunda Frogmouth Batrachostomus cornutus carrying its young. Forktail 6: 77-78. PDF fulltext
* VanderWerf, Eric A.; Wiles, Gary J.; Marshall, Ann P. & Knecht, Melia (2006): Observations of migrants and other birds in Palau, April-May 2005, including the first Micronesian record of a Richard's Pipit. Micronesica 39(1): 11-29. PDF fulltext

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