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Vini ultramarina 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Aves Psittaciformes Psittacidae

Scientific Name: Vini ultramarina
Species Authority: (Kuhl, 1820)
Common Name(s):
English Ultramarine Lorikeet, Ultramarine Lory
Spanish Lori Ultramar
Taxonomic Source(s): del Hoyo, J., Collar, N.J., Christie, D.A., Elliott, A. and Fishpool, L.D.C. 2014. HBW and BirdLife International Illustrated Checklist of the Birds of the World. Lynx Edicions BirdLife International, Barcelona, Spain and Cambridge, UK.
Identification information: 18 cm. Sharp-tailed parakeet. Light cerulean-blue upperparts and forehead, dark navy-blue nape and underparts. Cheeks, breast, and flanks heavily mottled with white. Red bill, eyes, and feet. Voice Very high-pitched whistle and harsh screech.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(i,ii,iii,iv,v); C2a(ii) ver 3.1
Year Published: 2016
Date Assessed: 2016-10-01
Assessor(s): BirdLife International
Reviewer(s): Butchart, S. & Symes, A.
Contributor(s): Albar, G., Blanvillain, C., Doukas, T., Gouni, A., Raust, P. & Thibault, J.
Facilitator/Compiler(s): Derhé, M., Dutson, G., Mahood, S., O'Brien, A., Shutes, S. & Stattersfield, A.
Justification:
This species is classified as Endangered because it only survives only on one island, Ua Huka, where it appears to be declining, and is at grave risk of the island being colonised by Black Rats.

Previously published Red List assessments:

Geographic Range [top]

Range Description:Vini ultramarina is endemic to the Marquesas Islands, French Polynesia. On Ua Pou, it numbered 250-300 pairs in 1975, was rare in 1990 (Holyoak and Thibault 1984, Seitre and Seitre 1991) and despite some scattered records, was not found in 1998 or 2012 (C. Blanvillain in litt. 2016). On Nuku Hiva, it numbered 70 birds in 1972-1975 and despite some scattered records, could not be found in 1990 or in 2004 (Holyoak and Thibault 1984, Seitre and Seitre 1991, Ziembicki and Raust 2004). It was (re-)introduced to Fatu Hiva (29 birds) in the 1990s (Kuehler and Lieberman 1993), where 51 birds were counted in 1997 (Kuehler et al. 1997) but rats became established and it was considered extinct by in 2007 (Ziembicki and Raust 2004, P. Raust in litt. 2007). It was (re-)introduced to Ua Huka in the 1940s, where the population was c.200-250 pairs in the early 1970s, c.1,300 individuals in 1991 (Holyoak and Thibault 1984, Thibault 1988, Kuehler et al. 1997), 1,763-2,987 individuals in 2004 (Ziembicki and Raust 2004) and 2,094 individuals in 2009 (T. Doukas in litt. 2010). However, the last surveys may have overestimated the population as the species is much less common in the uninhabited part of the island (Blanvillain 2012).
Countries occurrence:
Native:
French Polynesia
Additional data:
Continuing decline in area of occupancy (AOO):Yes
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:100
Continuing decline in extent of occurrence (EOO):YesExtreme fluctuations in extent of occurrence (EOO):No
Number of Locations:3Continuing decline in number of locations:Yes
Extreme fluctuations in the number of locations:No
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The last surveys estimated 1,763-2,987 individuals (Ziembicki and Raust 2004) and 2,094 individuals on Ua Huka (T. Doukas in litt. 2010), although these may have overestimated the population as the species is much less common in the uninhabited part of the island (Blanvillain 2012), and so the total population is placed in the band 1,000-2,499 individuals.

Trend Justification:  On Ua Huka the population was c.200-250 pairs in the early 1970s, c.1,300 individuals in 1991 (Holyoak and Thibault 1984, Thibault 1988, Kuehler et al. 1997), 1,763-2,987 individuals in 2004 (Ziembicki and Raust 2004) and 2,094 individuals in 2009 (T. Doukas in litt. 2010). However, the last surveys may have overestimated the population as the species is much less common in the uninhabited part of the island (Blanvillain 2012). The population trend is precautionarily assessed as a slow ongoing decline.
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:1000-2499Continuing decline of mature individuals:Yes
Extreme fluctuations:NoPopulation severely fragmented:No
No. of subpopulations:1Continuing decline in subpopulations:Yes
Extreme fluctuations in subpopulations:NoAll individuals in one subpopulation:Yes

Habitat and Ecology [top]

Habitat and Ecology:It feeds on a wide variety of flowering trees on nectar and pollen, preferring flowers of the coconut palm, banana and native Hibiscus tileaceus and fruit, especially mango; as well as on flowers, buds and insects (Holyoak and Thibault 1984, Pratt et al. 1987, Ziembicki and Raust 2004, Doukas et al. in litt. 2010). It nests in tree-cavities preferring Artocarpus altilis, Pometia pinnata, Pandanus tectorius and Hibiscus tileacus (Holyoak and Thibault 1984, Pratt et al. 1987, Ziembicki and Raust 2004).

Systems:Terrestrial
Continuing decline in area, extent and/or quality of habitat:Yes
Generation Length (years):5
Movement patterns:Not a Migrant

Threats [top]

Major Threat(s): It is likely that black rat Rattus rattus is responsible for its decline, being present on Tahuata, Hiva Oa and Nuku Hiva since c.1915, on Ua Pou (probably) since 1980, and confirmed, for the first time, on Fatu Hiva in February 2000 (Thibault and Meyer 2000) - the bird is now extinct on all of these islands. If black rats colonise Ua Huka, the lorikeet would probabkly decline almost to extinction within 20 years (Ziembicki and Raust 2004). All islands have been devastated by very high levels of grazing and fire, and much of the original dry forest has been reduced to grassland, and extensive damage has been caused even to upland forests (WWF/IUCN 1994-1995). Ua Huka is probably the driest island, with many recent fires and a high density of wild goats and horses. Other invasive species established on Ua Huka that might be a threat include exotic bird species that may transmit diseases, an increasing number of feral cats, yellow crazy ant and Singapore ant (C. Blanvillain in litt. 2016). Additional threats including the clearing of some sections of habitat in order to plant crops and trees for food, and wood carvings for tourism (Doukas et al. in litt. 2010). 

Conservation Actions [top]

Conservation Actions: Conservation Actions UnderwayBiosecurity is being enhanced at Ua Huka, including building awareness of the economic cost of colonisation by black rats, an analysis of the biosecurity chain including vessels, wharves, planes and high-risk goods, on-ground preventative actions and an action plan in case of rat incursion. A sniffer dog detected and killed a rat in 2016 (Blanvillain et al. 2012a, 2012b, 2013a, 2013b, 2014, 2015a, 2015b).
Conservation Actions Proposed

Biosecurity on Ua Huka needs to be strengthened, including better biosecurity of boats and better resourced sniffer dogs. Research the impact of other invasive alien species such as exotic birds, diseases, invasive ants and cats have on lorikeets.

Citation: BirdLife International. 2016. Vini ultramarina. The IUCN Red List of Threatened Species 2016: e.T22684647A93039154. . Downloaded on 10 December 2016.
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