Green Sandpiper

Green Sandpiper

Taxobox
name = Green Sandpiper
status = LC | status_system = IUCN3.1


image_width = 204px
regnum = Animalia
phylum = Chordata
classis = Aves
ordo = Charadriiformes
familia = Scolopacidae
genus = "Tringa"
species = "T. ochropus"
binomial = "Tringa ochropus"
binomial_authority = Linnaeus, 1758
The Green Sandpiper, "Tringa ochropus", is a small wader (shorebird). Its only close relative in the genus "Tringa" is the Solitary Sandpiper (Pereira & Baker, 2005); they both have brown wings with little light dots, and a delicate but contrasting neck and chest pattern. In addition, both species nest in trees, unlike most other scolopacids.

It breeds across subarctic Europe and Asia. It is a migratory bird, wintering in southern Europe and Asia, and tropical Africa.

This is not a gregarious species, although sometimes small numbers congregate in suitable feeding areas. Green Sandpiper is very much a bird of fresh water, and is often found in sites too restricted for other waders, which tend to like a clear all-round view.This species is a dumpy wader with a dark green back, greyish head and breast and otherwise white underparts. The back is spotted white to varying extents, being maximal in the breeding adult, and less in winter and young birds. The legs and short bill are both dark green.

It is obvious in flight, with wings dark above and below, and a brilliant white rump. The latter feature distinguishes it from the slightly smaller but otherwise very similar Solitary Sandpiper of North America to which it is closely related.In flight it has a characteristic three-note whistle.

Green Sandpiper lays 2-4 eggs in an old tree nest of another species, such as a Fieldfare. The eggs take about three weeks to hatch.

Food is small invertebrate items picked off the mud as this species works steadily around the edges of its chosen pond.

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

Given its basal position in "Tringa", it is fairly unsurprising that apparent hybrids between this species and the Common Sandpiper of the sister genus "Actitis" have been reported.

Gallery

References

* Database entry includes justification for why this species is of least concern

* Pereira, Sérgio Luiz & Baker, Alan J. (2005): Multiple Gene Evidence for Parallel Evolution and Retention of Ancestral Morphological States in the Shanks (Charadriiformes: Scolopacidae). "Condor" 107(3): 514–526. DOI: 10.1650/0010-5422(2005)107 [0514:MGEFPE] 2.0.CO;2 [http://www.bioone.org/perlserv/?request=get-abstract&issn=0010-5422&volume=107&issue=03&page=0514 HTML abstract]

External links

* [http://www.ibercajalav.net/img/208_GreenSandpiperTochropus.pdf Ageing and sexing (PDF) by Javier Blasco-Zumeta]
* [http://www.bsc-eoc.org/avibase/species.jsp?lang=EN&id=03E925BCA01A1950&ts=1220248106505&sec=summary Avibase]


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