The Tuamotu sandpiper (''Prosobonia parvirostris'') is an endangered member of the large
wader
245px, A flock of Dunlins and Red knots">Red_knot.html" ;"title="Dunlins and Red knot">Dunlins and Red knots
Waders or shorebirds are birds of the order Charadriiformes commonly found wikt:wade#Etymology 1, wading along shorelines and mudflat ...
family
Scolopacidae
Sandpipers are a large family, Scolopacidae, of waders. They include many species called sandpipers, as well as those called by names such as curlew and snipe. The majority of these species eat small invertebrates picked out of the mud or soil. ...
, that is
endemic
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to the
Tuamotu Islands
The Tuamotu Archipelago or the Tuamotu Islands (french: Îles Tuamotu, officially ) are a French Polynesian chain of just under 80 islands and atolls in the southern Pacific Ocean. They constitute the largest chain of atolls in the world, extendin ...
in
French Polynesia
)Territorial motto: ( en, "Great Tahiti of the Golden Haze")
, anthem =
, song_type = Regional anthem
, song = " Ia Ora 'O Tahiti Nui"
, image_map = French Polynesia on the globe (French Polynesia centered).svg
, map_alt = Location of Frenc ...
. It is sometimes placed in the
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
genus ''Aechmorhynchus''. A native name, apparently in the
Tuamotuan language
Tuamotuan, Paumotu or Paumotu (Tuamotuan: ' or ') is a Polynesian language spoken by 4,000 people in the Tuamotu archipelago, with an additional 2,000 speakers in Tahiti.
The Tuamotu people today refer to their land as Tuamotu, while referring ...
, is ''kivi-kivi''.
Description
The 15.5–16.5 cm long Tuamotu sandpiper is a small, short-winged, mottled brown bird with more or less barred underparts. Its short sharp
beak
The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for eating, preening, manipulating objects, killing prey, fighting, probing for food ...
is more like that of an
insectivorous
A robber fly eating a hoverfly
An insectivore is a carnivorous animal or plant that eats insects. An alternative term is entomophage, which can also refer to the human practice of eating insects.
The first vertebrate insectivores were ...
passerine
A passerine () is any bird of the order Passeriformes (; from Latin 'sparrow' and '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines are distinguished from other orders of birds by t ...
than a wader. There are two
colour morph
In biology, polymorphism is the occurrence of two or more clearly different morphs or forms, also referred to as alternative ''phenotypes'', in the population of a species. To be classified as such, morphs must occupy the same habitat at the s ...
s which intergrade. Pale birds are medium brown above and white below, with light barring or spotting on the breast and whitish streaking on the head. The bold
supercilium
The supercilium is a plumage feature found on the heads of some bird species. It is a stripe which runs from the base of the bird's beak above its eye, finishing somewhere towards the rear of the bird's head.Dunn and Alderfer (2006), p. 10 Also ...
and the chin are also white. The
rectrices
Flight feathers (''Pennae volatus'') are the long, stiff, asymmetrically shaped, but symmetrically paired pennaceous feathers on the wings or tail of a bird; those on the wings are called remiges (), singular remex (), while those on the tail ...
are brown with white tips and white triangular markings on the outer webs. Dark phase birds replace medium with darker brown and white with light buff or
tawny white. The flanks are brown, and the entire underparts are heavily barred that colour.
The
iris
Iris most often refers to:
*Iris (anatomy), part of the eye
*Iris (mythology), a Greek goddess
* ''Iris'' (plant), a genus of flowering plants
*Iris (color), an ambiguous color term
Iris or IRIS may also refer to:
Arts and media
Fictional enti ...
is brown, the beak is blackish and the legs and feet are dirty yellow to dark olive grey; the toes are not webbed.
Females and males are alike, the former having a tendency to be slightly larger and paler on average.
Distribution
The species has been recorded in modern times from the following
atoll
An atoll () is a ring-shaped island, including a coral rim that encircles a lagoon partially or completely. There may be coral islands or cays on the rim. Atolls are located in warm tropical or subtropical oceans and seas where corals can gr ...
s, listed from northwest to southeast:
*
Rangiroa
Rangiroa ( Tuamotuan for 'vast sky') or Te Kokōta (Cook Islands Māori for 'the Hyades star cluster') is the largest atoll in the Tuamotus and one of the largest in the world (smaller than Kwajalein in the Marshall Islands and Huvadhu in the M ...
,
Niau
Niau is a small atoll in French Polynesia, in the commune of Fakarava (Tuamotu archipelago). This atoll has a broad fringing reef, a diameter of 8 km and an area of 53 km2.
Niau's lagoon is swampy, hypersaline and entirely enclosed. Th ...
,
Kauehi
Kauehi, or Putake, is an atoll in the Tuamotu group in French Polynesia. The nearest land is Raraka Atoll, located 17 km to the Southeast. Kauehi has a wide lagoon measuring 24 km by 18 km. The atoll has a lagoon area of , and a l ...
and
Fakarava
Fakarava, Havaiki-te-araro, Havai'i or Farea is an atoll in the west of the Tuamotu group in French Polynesia. It is the second largest of the Tuamotu atolls. The nearest land is Toau, a coral atoll which lies to the northwest.
The atoll is ro ...
in the
Palliser Islands
The Palliser Islands or Pallisers are a subgroup of the Tuamotu group in French Polynesia. They are located in the very northwest of the main group of atolls.
Atolls
The group includes:
*Apataki
*Arutua
*Fakarava
*Kaukura
*Mataiva
*Rangiroa
*Maka ...
.
*
Raraka
Raraka, or Te Marie, is an atoll in the west of the Tuamotu group in French Polynesia. It lies 17 km to the southeast of Kauehi Atoll.
The shape of Raraka Atoll is an oval 27 km long and 19 km wide. Its fringing reef has many san ...
,
Katiu
Katiu, or Taungataki, is an atoll of the central Tuamotu Archipelago in French Polynesia. It is located west of Makemo Atoll's westernmost point. It measures in length with a maximum width of . Its total area, including the lagoon is and a la ...
,
Tahanea
Tahanea Atoll is an atoll of the Tuamotus, Tuamotu Archipelago in French Polynesia. It is located to the east of Faaite Atoll.
Tahanea Atoll measures in length with a maximum width of . The southern reef fringing the atoll is wider than the n ...
,
Tuanake
Tuanake or Mata-rua-puna is a small atoll located in the Tuamotu Archipelago in French Polynesia. He made up the Raevski Islands subgroup with Tepoto Sud and Hiti. It is administratively attached to the municipality of Makemo.
Geography
Tuanake ...
,
Hiti
Hiti, or Hiti-rau-mea, is a small atoll of the Tuamotu Archipelago in French Polynesia. It is located 19 km southwest of Makemo Atoll.
Hiti Atoll is oval in shape. It measures 9 km in length with a maximum width of 6 km. There are ...
and
Tepoto (Ofiti) in the
Raeffsky Islands
The Raeffsky Islands or Raevski Islands (french: Îles Raéffsky or ''Îles Raevski'') is a subgroup with just over 3000 people in the Tuamotu group in French Polynesia. They are located roughly in the central area of the main Tuamotu atoll clus ...
,
*
Puka-Puka
Puka-Puka is a small coral atoll in the north-eastern Tuamotu Archipelago, sometimes included as a member of the Disappointment Islands. This atoll is quite isolated, the nearest land being Fakahina, 182 km to the southwest.
Puka-Puka Atol ...
in the
Disappointment Islands
The Disappointment Islands (french: Îles du Désappointement) are a subgroup of the Tuamotu Archipelago in French Polynesia. They are located towards the northeast, away from the main Tuamotu group.
The Disappointment Islands are a small gr ...
,
*
Anuanuraro
Anuanuraro is an atoll in French Polynesia, Pacific Ocean. It is part of the Duke of Gloucester Islands, a subgroup of the Tuamotu group. Anuanuraro's nearest neighbor is Anuanurunga, which is located about 29 km to the southeast.
Anuanurar ...
in the
Duke of Gloucester Islands
The Duke of Gloucester Islands (french: Îles du Duc de Gloucester) is a subgroup of the Tuamotu group in French Polynesia. They are located southeast of Tahiti and south of the main Tuamotu atoll cluster and are rather isolated.
Atolls
The Duke ...
,
*
Nukutavake
Nukutavake or Nukutuvake is an island in the Tuamotu group in French Polynesia. It lies 1125 km from Tahiti. The closest land is small Pinaki Atoll, located 15 km to the southeast. Vairaatea Atoll lies 38 km to the west of Nukut ...
and
Pinaki
Pinaki,Te Kiekie or Artomix is a small atoll of the Tuamotu group in French Polynesia. Geographically Pinaki Atoll is part of the East-central subgroup of the Tuamotus, which includes Ahunui, Amanu, Fangatau, Hao and Nukutavake.
Geography
Th ...
between Raeffsky and
Acteon Islands,
*
Tenararo
Tenararo is the smallest atoll in the Acteon Group in the southeastern part of the Tuamotu Islands in French Polynesia. It is administratively a part of the Gambier Islands. It is uninhabited.
Geography
Tenararo is located west of Vahanga, the ...
,
Vahanga
Vahanga is a small uninhabited atoll part of the Acteon Group in the Tuamotu archipelago, French Polynesia and belongs to the municipality of the Gambier Islands.
Geography
Vahanga is located 9 km west of Tenarunga and 1362 km southe ...
,
Tenarunga
Tenarunga or Tenania, previously Narunga and formerly Minto Island is a low, wooded and uninhabited atoll in the Acteon Group in the southeastern part of the Tuamotu Islands in French Polynesia. It is administratively a part of the Gambier Islan ...
,
Matureivavao
Matureivavao, or Maturei-vavao is an uninhabited atoll in the Acteon Group in the southeastern part of the Tuamotu Islands. It is the largest atoll within the Acteon Group, and like others in this group, is administratively part of the Communes d ...
,
Marutea Sud
Marutea Atoll (Marutea Sud), also known as Lord Hood Island, Marutea-i-runga, and Nuku-nui, is an atoll in the far southeast of the Tuamotu group of French Polynesia. It lies in the east-northeast part of the Gambier (commune), about 72 km ...
and
Maria Est
Maria Atoll is an uninhabited small atoll of the Tuamotu group in French Polynesia. It is located in the far southeast of the archipelago, about southwest from Marutea Sud. Maria's closest neighbour is the small atoll of Matureivavao of the Act ...
in (or near) the Acteon Islands,
*
Morane, south of the Acteon group, and
*
Makaroa
Makaroa is an island in the Gambier Islands of French Polynesia, 8.5 km south of Mangareva within the same lagoon
A lagoon is a shallow body of water separated from a larger body of water by a narrow landform, such as reefs, barrier i ...
,
Kamaka and
Manui
Manui is an island of the Gambier Islands of French Polynesia
)Territorial motto: ( en, "Great Tahiti of the Golden Haze")
, anthem =
, song_type = Regional anthem
, song = " Ia Ora 'O Tahiti Nui"
, image_map = French Polynesia on the glob ...
in the
Gambier Islands
The Gambier Islands ( or ) are an archipelago in French Polynesia, located at the southeast terminus of the Tuamotu archipelago. They cover an area of , and are made up of the Mangareva Islands, a group of high islands remnants of a caldera alo ...
.
Ecology and behavior
This bird lives on undisturbed
atoll
An atoll () is a ring-shaped island, including a coral rim that encircles a lagoon partially or completely. There may be coral islands or cays on the rim. Atolls are located in warm tropical or subtropical oceans and seas where corals can gr ...
s where it feeds in open areas, including the shores and beaches, and scrubland; it is more rarely found in ''
Pandanus
''Pandanus'' is a genus of monocots with some 750 accepted species. They are palm-like, dioecious trees and shrubs native to the Old World tropics and subtropics. The greatest number of species are found in Madagascar and Malaysia. Common names ...
'' thickets. It takes
insect
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body ( head, thorax and abdomen), three pairs ...
s such as
ant
Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of 22 ...
s,
leafhopper
A leafhopper is the common name for any species from the family Cicadellidae. These minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, or trees. Their hind legs are modified for jumping, and a ...
s and
wasp
A wasp is any insect of the narrow-waisted suborder Apocrita of the order Hymenoptera which is neither a bee nor an ant; this excludes the broad-waisted sawflies (Symphyta), which look somewhat like wasps, but are in a separate suborder. Th ...
s in the
coral
Corals are marine invertebrates within the class Anthozoa of the phylum Cnidaria. They typically form compact colonies of many identical individual polyps. Coral species include the important reef builders that inhabit tropical oceans and sec ...
rubble and
leaf litter
Plant litter (also leaf litter, tree litter, soil litter, litterfall or duff) is dead plant material (such as leaves, bark, needles, twigs, and cladodes) that have fallen to the ground. This detritus or dead organic material and its constituent ...
, also taking some vegetation.
The call is a soft, high whistle or piping, transcribed as ''meh'' by the
Whitney South Seas Expedition The Whitney South Sea Expedition (1920 - 1941) to collect bird specimens for the American Museum of Natural History (AMNH), under the initial leadership of Rollo Beck, was instigated by Dr Leonard C. Sanford and financed by Harry Payne Whitney, a t ...
.
It breeds at different times on different islands, generally between April and June. Nests are placed on the lagoon shore and consist of nothing more than a slight hollow in the shoreline coral and shell debris which is lined with grass stems or similar vegetable matter. The clutch is believed to be two eggs, which are white with purple and violet blotches, similar to a smaller version of the
upland sandpiper
The upland sandpiper (''Bartramia longicauda'') is a large sandpiper, closely related to the curlews. Older names are the upland plover and Bartram's sandpiper. In Louisiana, it is also colloquially known as the papabotte. It is the only member ...
's eggs. One two-egg clutch is in the
American Museum of Natural History
The American Museum of Natural History (abbreviated as AMNH) is a natural history museum on the Upper West Side of Manhattan in New York City. In Theodore Roosevelt Park, across the street from Central Park, the museum complex comprises 26 inter ...
collection (specimen AMNH 5299).
Status
The Tuamotu sandpiper is threatened by introduced
rat
Rats are various medium-sized, long-tailed rodents. Species of rats are found throughout the order Rodentia, but stereotypical rats are found in the genus ''Rattus''. Other rat genera include ''Neotoma'' ( pack rats), ''Bandicota'' (bandicoot ...
s and
habitat destruction
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...
caused by the spreading cultivation of
coconut
The coconut tree (''Cocos nucifera'') is a member of the palm tree family ( Arecaceae) and the only living species of the genus ''Cocos''. The term "coconut" (or the archaic "cocoanut") can refer to the whole coconut palm, the seed, or the ...
s, and is listed as
endangered
An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inva ...
. Although it had a much wider range historically (see also below), it now survives on a small number of rat-free islands, namely Anuanuraro, Tenararo, Morane and one other atoll.
[ Birds will occur as non-breeding visitors on other islands nearby, particularly in the Acteon group.][
Its ]IUCN Red List
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
status of "Endangered B1a+b (ii, iii, iv, v); Vulnerable C2a(i), D1" means that estimates indicate between 250 and 1000 mature birds occurring in less than six locations, with a declining trend. There are no conservation
Conservation is the preservation or efficient use of resources, or the conservation of various quantities under physical laws.
Conservation may also refer to:
Environment and natural resources
* Nature conservation, the protection and manageme ...
measures in place, although proposals are being suggested to protect the species. These include granting full protection to the remaining atolls where it breeds and preventing the further spread of rats.[
]
Systematics
Historically, the species occurred also on Kiritimati
Kiritimati (also known as Christmas Island) is a Pacific Ocean atoll in the northern Line Islands. It is part of the Republic of Kiribati. The name is derived from the English word "Christmas" written in Gilbertese according to its phonology, ...
(Christmas) Island in Kiribati
Kiribati (), officially the Republic of Kiribati ( gil, ibaberikiKiribati),[Kiribati]
''The Wor ...
(the type locality) and possibly others. John Latham figured the bird as the "Barred Phalarope
__NOTOC__
A phalarope is any of three living species of slender-necked shorebirds in the genus ''Phalaropus'' of the bird family Scolopacidae.
Phalaropes are close relatives of the shanks and tattlers, the ''Actitis'' and Terek sandpipers, a ...
" in his ''General Synopsis of Birds'', based on a Kiritimati specimen collected on Captain Cook
James Cook (7 November 1728 Old Style date: 27 October – 14 February 1779) was a British explorer, navigator, cartographer, and captain in the British Royal Navy, famous for his three voyages between 1768 and 1779 in the Pacific Ocean an ...
's last voyage, probably on January 1 or 2, 1778.[ This was in the collection of ]Joseph Banks
Sir Joseph Banks, 1st Baronet, (19 June 1820) was an English naturalist, botanist, and patron of the natural sciences.
Banks made his name on the 1766 natural-history expedition to Newfoundland and Labrador. He took part in Captain James ...
at Latham's time, but later became lost. During Cook's visit, the bird was observed by William Anderson William Anderson may refer to:
Arts and entertainment
* William Anderson (artist) (1757–1837), painter of marine and historical paintings
* William Anderson (theatre) (1868–1940), Australian stage entrepreneur
* William Anderson (1911–1986), ...
[ and painted by William Ellis.
Latham's description was the basis for Gmelin's,][ which was valid according to ]zoological nomenclature
The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its publisher, the In ...
. The Tuamotu birds only came to the attention of science during the US Exploring Expedition
The United States Exploring Expedition of 1838–1842 was an exploring and surveying expedition of the Pacific Ocean and surrounding lands conducted by the United States. The original appointed commanding officer was Commodore Thomas ap Catesby ...
, which collected five specimens in late August, 1839. These were described by Titian Peale
Titian Ramsay Peale (November 2, 1799 – March 13, 1885) was an American artist, naturalist, and explorer from Philadelphia, Pennsylvania. He was a scientific illustrator whose paintings and drawings of wildlife are known for their beauty and ...
as species ''parvirostris'' based on perceived differences to Latham's description. The validity of this form is in doubt; some[ considered it distinct, whereas in recent times][ the evidence is generally found too scant to consider both forms good species.
However, it is entirely likely that (given the non-migrant nature of the species) the populations, some 2000 miles separated from each other, would constitute separate ]subspecies
In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
. In this case, the Tuamotu subspecies would be called ''Prosobonia cancellata parvirostris'', while the Kiribati population would be the nominate subspecies
In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...
, '' P. c. cancellata'' (Kiritimati sandpiper). The Kiritimati population became extinct some time in the first half of the 19th century or possibly later due to introduced predators. These might have been black rat
The black rat (''Rattus rattus''), also known as the roof rat, ship rat, or house rat, is a common long-tailed rodent of the stereotypical rat genus ''Rattus'', in the subfamily Murinae. It likely originated in the Indian subcontinent, but is n ...
s (''Rattus rattus''); as these were only temporarily present on Kiritimati and perhaps did not arrive until the 20th century, the feral cat
A feral cat or a stray cat is an unowned domestic cat (''Felis catus'') that lives outdoors and avoids human contact: it does not allow itself to be handled or touched, and usually remains hidden from humans. Feral cats may breed over dozens ...
s which started to overrun the island in the 19th century make more likely culprits.
References
Further reading
* del Hoyo, J.; Elliott, A. & Sargatal, J. (editors) (1996): 57. Tuamotu Sandpiper. ''In: Handbook of Birds of the World
The ''Handbook of the Birds of the World'' (HBW) is a multi-volume series produced by the Spanish publishing house Lynx Edicions in partnership with BirdLife International. It is the first handbook to cover every known living species of bird. Th ...
, Volume 3: Hoatzin to Auks'':515, plate 43. Lynx Edicions, Barcelona.
* Greenway, James C. (1967): Sandpipers of the Tuamotu Archipelago. ''In: Extinct and Vanishing Birds of the World (2nd ed.)'': 260–263. Dover Publications, New York.
* Hayman, Peter; Marchant, John & Prater, Tony (1986): ''Shorebirds: an identification guide to the waders of the world''. Houghton Mifflin, Boston.
*
*
External links
*ARKive
images and movies of the Tuamotu sandpiper ''(Prosobonia cancellata)''
Natural History Museum
William Ellis' plate 64. Retrieved 11-SEP-2006.
{{Taxonbar, from=Q12252811
Tuamotu sandpiper
The Tuamotu sandpiper (''Prosobonia parvirostris'') is an endangered member of the large wader family Scolopacidae, that is endemic to the Tuamotu Islands in French Polynesia. It is sometimes placed in the monotypic genus ''Aechmorhynchus''. A na ...
Birds of the Tuamotus
Tuamotu sandpiper
The Tuamotu sandpiper (''Prosobonia parvirostris'') is an endangered member of the large wader family Scolopacidae, that is endemic to the Tuamotu Islands in French Polynesia. It is sometimes placed in the monotypic genus ''Aechmorhynchus''. A na ...
Taxa named by Titian Peale
Endemic birds of French Polynesia