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Calidris maritima

Calidris maritima (*)

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Cladus: Avemetatarsalia
Cladus: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauriformes
Cladus: Dracohors
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Eusaurischia
Subordo: Theropoda
Cladus: Neotheropoda
Cladus: Averostra
Cladus: Tetanurae
Cladus: Avetheropoda
Cladus: Coelurosauria
Cladus: Tyrannoraptora
Cladus: Maniraptoromorpha
Cladus: Maniraptoriformes
Cladus: Maniraptora
Cladus: Pennaraptora
Cladus: Paraves
Cladus: Eumaniraptora
Cladus: Avialae
Infraclassis: Aves
Cladus: Euavialae
Cladus: Avebrevicauda
Cladus: Pygostylia
Cladus: Ornithothoraces
Cladus: Ornithuromorpha
Cladus: Carinatae
Parvclassis: Neornithes
Cohors: Neognathae
Cladus: Neoaves
Ordo: Charadriiformes
Subordo: Charadrii

Familia: Scolopacidae
Genus: Calidris
Species: Calidris maritima
Name

Calidris maritima (Brünnich, 1764)
Synonyms

Tringa maritima (protonym)
Erolia maritima

References

Ornithologia borealis: 54

Vernacular names
asturianu: Mazaricu de Pedreu
беларуская: Марскі пясочнік
brezhoneg: Sourouc'han du
català: Corriol fosc
čeština: Jespák mořský
Cymraeg: Pibydd Du
dansk: Sortgrå ryle
Deutsch: Meerstrandläufer
Ελληνικά: Βραχοσκαλίδρα
English: Purple Sandpiper
Esperanto: Mara kalidro
español: Correlimos Oscuro
eesti: Merirüdi
euskara: Territ fosc
suomi: Merisirri
føroyskt: Grælingur
français: Bécasseau violet
Gaeilge: Gobadáinín cosbhuí
Gàidhlig: Luatharan rioghail
galego: Pilro cinsento
Gaelg: Looyran gorrym
עברית: חופית ימית
hrvatski: Morski žalar
magyar: Tengeri partfutó
íslenska: Sendlingur
italiano: Piovanello violetto
ᐃᓄᒃᑎᑐᑦ/inuktitut: Saarfaarsuk
日本語: ムラサキハマシギ
қазақша: Тењіз құмдауық
lietuvių: Jūrinis bėgikas
latviešu: Jūras šņibītis
монгол: Тэнгисийн элсэг
Malti: Beggazzina tan-Nord
Nederlands: Paarse strandloper
norsk nynorsk: Fjøreplytt
norsk: Fjæreplytt
polski: Biegus morski
português: Pilrito-escuro
rumantsch: Rivarel violet
русский: Морской песочник
davvisámegiella: Gáddeviroš
slovenčina: Pobrežník morský
slovenščina: Morski prodnik
српски / srpski: Морски жалар
svenska: Skärsnäppa
Türkçe: Mor Kumkuşu
українська: Морський побережник
中文: 紫滨鹬

The purple sandpiper (Calidris maritima) is a small shorebird in the sandpiper family Scolopacidae. This is a hardy sandpit that breeds in the arctic and subarctic regions of Eurasia and North America and winters further south on the Atlantic coast.

Taxonomy

The purple sandpiper was formally described in 1764 by the Danish zoologist Morten Thrane Brünnich and given the binomial name Tringa maratina.[2] This species was formerly placed in the genus Erolia.[3][4] It is now placed with 23 other sandpipers in the genus Calidris that was introduced in 1804 by the German naturalist Blasius Merrem.[5][6] The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific epithet maritima is from Latin and means "of the sea", from mare, "sea".[7] The purple sandpiper is treated as monotypic: no subspecies are recognised.[6] Within the genus Calidris the purple sandpiper is sister to the rock sandpiper (Calidris ptilocnemis) and is closely related to the sanderling (Calidris alba) and the dunlin (Calidris alpina).[8]
Description
Summer plumage
Winter plumage

Adults have short yellow legs and a medium thin dark bill with a yellow base. The body is dark on top with a slight purplish gloss and mainly white underneath. The breast is smeared with grey and the rump is black. They measure 20–22 cm (7.9–8.7 in) in length and 42–46 cm (17–18 in) across the wings, and weight is from 50–105 g (1.8–3.7 oz).[9]
Standard Measurements[10][11]
Length 210–240 mm (8.1–9.5 in)
Weight 70 g (2.5 oz)
Wingspan 430 mm (17 in)
Wing 117.9–130 mm (4.64–5.12 in)
Tail 55.9–63 mm (2.20–2.48 in)
Culmen 27.2–32 mm (1.07–1.26 in)
Tarsus 22–23.8 mm (0.87–0.94 in)
Distribution and habitat

The purple sandpiper's breeding range extends from the arctic islands of northern Canada, eastwards to Greenland, Iceland, Svalbard and northern Scandinavia across to Western Siberia and the Taymyr Peninsula. In the high arctic the sandpiper breeds at low altitude on the tundra, sometimes far from the coastline, but in the subarctic regions of Sweden and Norway it breeds on barren mountain sides near the limit of the frozen ground. Birds breeding at high latitudes migrate south and spend the winter on rocky shores on both sides of the north Atlantic. They winter along the North America coast as far south as South Carolina and on the eastern Atlantic coast as far south as France and northern Iberia.[12]

Birds wintering in northern Scotland and southwest Ireland migrate to Canada (Baffin Island and Devon Island) to breed.[13]

In Britain, these birds occur in winter in good numbers principally along the east and south coasts, where they favour rocky shorelines adjacent to the sea.[citation needed] It is much rarer as a breeding bird, found only in a localised area of the Cairngorms National Park, where 1–3 pairs have bred since 1978. Records of breeding by this species in the UK are monitored and archived by the Rare Breeding Birds Panel.[14][15]

They are late migrants and move to rocky, ice-free Atlantic coasts in winter.[citation needed] Most go no further south than North Carolina and northern Portugal. They are fairly gregarious, forming small flocks, often with Ruddy Turnstones. This species is tame and approachable.[16]
Behaviour and ecology
Breeding
Eggs of the calidris maritima maritima

Their breeding habitat is the northern tundra on Arctic islands in Canada and coastal areas in Greenland and northwestern Europe. They can breed at one year of age. The males makes several scrapes on the ground; the female chooses one and lays 3 or 4 eggs. These are olive with brown blotches and are approximately 37 mm × 26 mm (1.5 in × 1.0 in) in size. The male takes the major responsibility for incubation of the eggs which hatch in 21–22 days.[17] The chicks are covered with dense down. The upperparts have black and cinnamon patches with white specks; the underparts are mainly white.[18] Usually only the male tends the chicks which can feed themselves.[17] The maximum age recorded from ring-recovery data in Europe is 20 years and 9 months for a bird recovered in Sweden.[19]

An apparent case of hybridization between this species and the dunlin has been reported from England.[20]
Feeding

These birds forage on rocky coasts, picking up food by sight.[21] They mainly eat arthropods and molluscs, also some plant material. One of the main staples are those of the Coelopa genera (C. frigida).[citation needed] These insects are known commonly as "seaweed flies" because they feed, mate, and create a habitat out of beached seaweed which is common near the Purple Sandpiper's habitat.[citation needed]
Status

The purple sandpiper has an extremely large range and although the population appears to be decreasing, the population is very large. The International Union for Conservation of Nature (IUCN) has judged that the threat to the species is of "Least concern".[1] The purple sandpiper is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.[22]
References

BirdLife International (2018). "Calidris maritima". IUCN Red List of Threatened Species. 2018: e.T22693420A131929424. doi:10.2305/IUCN.UK.2018-2.RLTS.T22693420A131929424.en. Retrieved 13 November 2021.
Brünnich, Morten Thrane (1764). M. Th. Brünnichii Ornithologia borealis, sistens collectionem avium : ex omnibus, Imperio danico subjectis, provinciis insulisqve borealibus Hafniæ factam, cum descriptionibus novarum, nominibus incolarum, locis natalium et icone (in Latin). Hafniae [Copenhagen]: Imprimatur J.C. Kall. pp. 54–55.
Peters, James Lee, ed. (1934). Check-List of Birds of the World. Vol. 2. Cambridge, Massachusetts: Harvard University Press. p. 285.
Committee on Classification and Nomenclature (1973). "Thirty-Second Supplement to the American Ornithologists' Union Check-List of North American Birds". Auk. 90 (2): 411-419 [415].
Merrem, Blasius (8 June 1804). "Naturgeschichte". Allgemeine Literatur-Zeitung (in German). 168. Col. 542. Published anonymously.
Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2021). "Sandpipers, snipes, coursers". IOC World Bird List Version 11.2. International Ornithologists' Union. Retrieved 13 November 2021.
Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 84, 242. ISBN 978-1-4081-2501-4.
Gibson, Rosemary; Baker, Allan (2012). "Multiple gene sequences resolve phylogenetic relationships in the shorebird suborder Scolopaci (Aves: Charadriiformes)". Molecular Phylogenetics and Evolution. 64 (1): 66–72. doi:10.1016/j.ympev.2012.03.008.
"Purple Sandpiper". All About Birds. Cornell Lab of Ornithology.
Godfrey, W. Earl (1966). The Birds of Canada. Ottawa: National Museum of Canada. p. 151.
Sibley, David Allen (2000). The Sibley Guide to Birds. New York: Knopf. p. 181. ISBN 0-679-45122-6.
Payne, L.X.; Pierce, E.P. (2020). Billerman, S.M. (ed.). "Purple Sandpiper (Calidris maritima), version 1.0". Birds of the World. Ithaca, NY, USA: Cornell Lab of Ornithology. Retrieved 14 November 2021.
Summers, R.W.; Boland, H.; Colhoun, K.; Elkins, N.; Etheridge, B.; Foster, S.; Fox, J.W.; Mackie, K.; Quinn, L.R.; Swann, R.L. (2014). "Contrasting trans-Atlantic migratory routes of Nearctic Purple Sandpipers Calidris maritima associated with low pressure systems in spring and winter". Ardea. 102 (2): 139–152. doi:10.5253/arde.v102i2.a4.
Sharrock, J.T.R.; Rare Birds Breeding Panel (1980). "Rare breeding birds in the United Kingdom in 1978". British Birds. 73 (1): 5–26 [18].
Holling, Mark; Rare Birds Breeding Panel (2016). "Rare breeding birds in the United Kingdom in 2014". British Birds. 109 (9): 491–545 [521].
Cramp 1983, p. 350.
Cramp 1983, p. 353.
Cramp 1983, p. 354.
"European Longevity Records". Euring. Retrieved 13 November 2021.
Millington, Richard (1994). "A mystery Calidris at Cley". Birding World. 7 (2): 61–63. Archived from the original on 17 June 2004.
Cramp 1983, p. 348.

"Species". Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA). Retrieved 14 November 2021.

Sources
Cramp, Stanley, ed. (1983). "Calidris maritima Purple Sandpiper". Handbook of the Birds of Europe the Middle East and North Africa. The Birds of the Western Palearctic. Vol. III: Waders to Gulls. Oxford: Oxford University Press. pp. 345–355. ISBN 978-0-19-857506-1.

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