ultramarine lorikeet
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The ultramarine lorikeet (''Vini ultramarina'') is a species of
parrot Parrots, also known as psittacines (), are birds of the roughly 398 species in 92 genera comprising the order Psittaciformes (), found mostly in tropical and subtropical regions. The order is subdivided into three superfamilies: the Psittacoide ...
in the family
Psittaculidae Psittaculidae is a family containing Old World parrots. It consists of five subfamilies: Agapornithinae, Loriinae, Platycercinae, Psittacellinae and Psittaculinae. This family has been accepted into '' The Clements Checklist of Birds of the W ...
,
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 else ...
to the
Marquesas Islands The Marquesas Islands (; french: Îles Marquises or ' or '; Marquesan: ' (North Marquesan) and ' ( South Marquesan), both meaning "the land of men") are a group of volcanic islands in French Polynesia, an overseas collectivity of France in ...
. Its natural
habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...
s are
subtropical or tropical moist lowland forest Tropical and subtropical moist broadleaf forests (TSMF), also known as tropical moist forest, is a subtropical and tropical forest habitat type defined by the World Wide Fund for Nature. Description TSMF is generally found in large, discon ...
, subtropical or tropical moist montane forest and
plantation A plantation is an agricultural estate, generally centered on a plantation house, meant for farming that specializes in cash crops, usually mainly planted with a single crop, with perhaps ancillary areas for vegetables for eating and so on. Th ...
s. It is threatened mainly by introduction of the
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 ...
and also by deforestation.


Distribution and Population

During the 1970s, the bird was still prevalent on its natural range of Fatu Hiva,
Ua Pou Ua Pou (french: Ua Pou, North Marquesan: ''’uapou'') is the third largest of the Marquesas Islands, in French Polynesia, an overseas territory of France in the Pacific Ocean. History Pre-European history Ua Pou is the only major island that ...
,
Nuku Hiva Nuku Hiva (sometimes spelled Nukahiva or Nukuhiva) is the largest of the Marquesas Islands in French Polynesia, an overseas country of France in the Pacific Ocean. It was formerly also known as ''Île Marchand'' and ''Madison Island''. Herman ...
, and
Ua Huka Ua Huka is one of the Marquesas Islands, in French Polynesia, an overseas territory of France in the Pacific Ocean. It is situated in the northern group of the archipelago, approximately to the east of Nuku Hiva, at . Name Ua Huka is sometime ...
in the Marquesas Islands. However, due to heavy deforestation and predation by the invasive
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 ...
and
cat The cat (''Felis catus'') is a domestic species of small carnivorous mammal. It is the only domesticated species in the family Felidae and is commonly referred to as the domestic cat or house cat to distinguish it from the wild members of ...
, the ultramarine lorikeet became extinct on Fatu Hiva, Ua Pu, and Nuku Hiva by 2008. Nowadays, the rare bird only remains on Ua Huka. On Ua Huka, the population is estimated to be at about 1,000-2,499 individual birds.


Ecology

''Vini ultramarina'' feeds on a large variety of
nectar Nectar is a sugar-rich liquid produced by plants in glands called nectaries or nectarines, either within the flowers with which it attracts pollinating animals, or by extrafloral nectaries, which provide a nutrient source to animal mutualist ...
,
pollen Pollen is a powdery substance produced by seed plants. It consists of pollen grains (highly reduced microgametophytes), which produce male gametes (sperm cells). Pollen grains have a hard coat made of sporopollenin that protects the gametop ...
, and
flower A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae). The biological function of a flower is to facilitate reproduction, usually by providing a mechanis ...
s from various flowering trees. It seems to prefer flowers of the
coconut palm 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 t ...
and
Hibiscus tilliaceus ''Hibiscus tiliaceus'', commonly known as the sea hibiscus or coast cottonwood, is a species of flowering tree in the mallow family, Malvaceae, with a pantropical distribution along coastlines. It has also been introduced to Florida and New ...
. The bird's diet also includes multiple
fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in partic ...
s and
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 pa ...
s. The ultramarine lorikeet nests in tree cavities, especially in ''Artocarpus altilis,
Pometia pinnata ''Pometia pinnata'' is a large tropical hardwood and fruit tree species, with common names including matoa, taun tree, island lychee, tava, Pacific lychee of the plant family Sapindaceae. Naturally widespread, the trees are native to tropical So ...
,
Pandanus tectorius ''Pandanus tectorius'' is a species of ''Pandanus'' (screwpine) that is native to Malesia, Papuasia, eastern Australia, and the Pacific Islands. It grows in the coastal lowlands typically near the edge of the ocean. Common names in English incl ...
, and
Hibiscus tilliaceus ''Hibiscus tiliaceus'', commonly known as the sea hibiscus or coast cottonwood, is a species of flowering tree in the mallow family, Malvaceae, with a pantropical distribution along coastlines. It has also been introduced to Florida and New ...
.'' Little else is little known about this rare species.


Threats

The ultramarine lorikeet is greatly threatened by the predation from the
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 ...
which has greatly decreased its population since its introduction to Nuku Hiva since 1915. All islands have been devastated by extremely high levels of
grazing In agriculture, grazing is a method of animal husbandry whereby domestic livestock are allowed outdoors to roam around and consume wild vegetations in order to convert the otherwise indigestible (by human gut) cellulose within grass and ot ...
and fire. Most of the original dry forest has been reduced to grassland, and terrible damage has been caused to upland forests as well.
Deforestation Deforestation or forest clearance is the removal of a forest or stand of trees from land that is then converted to non-forest use. Deforestation can involve conversion of forest land to farms, ranches, or urban use. The most concentrated ...
to make way for
farm A farm (also called an agricultural holding) is an area of land that is devoted primarily to agricultural processes with the primary objective of producing food and other crops; it is the basic facility in food production. The name is use ...
s,
logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidding, on-site processing, and loading of trees or logs onto trucks or skeleton cars. Logging is the beginning of a supply cha ...
, and
tourism Tourism is travel for pleasure or business; also the theory and practice of touring (disambiguation), touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tour (disambiguation), tours. Th ...
has also had large impact in the decline of its population.


References


External links

*
Environment Canada Species Identification Sheet.
{{Taxonbar, from=Q1265368 ultramarine lorikeet Birds of the Marquesas Islands ultramarine lorikeet Taxonomy articles created by Polbot Endemic birds of French Polynesia