Miniopterus tristis 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Chiroptera Miniopteridae

Scientific Name: Miniopterus tristis Waterhouse, 1845
Common Name(s):
English Great Long-fingered Bat, Great Bent-winged Bat, Greater Bent-winged Bat
Taxonomic Notes: A number of unidentified specimens from New Guinea have turned out to represent this species and at least one specimen of M. magnater was misidentified as M. tristis, so current records of this species should be treated with caution (T. Reardon pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Rosell-Ambal, G., Tabaranza, B., McKinnon, J., Kingston, T. & Maharadatunkamsi, D.
Reviewer(s): Hutson, A.M., Racey, P.A. (Chiroptera Red List Authority), Chanson, J. & Chiozza, F. (Global Mammal Assessment Team)
Listed as Least Concern in view of its wide distribution, presumed large population, tolerance of a broad range of habitats including agricultural and disturbed areas, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
Previously published Red List assessments:

Geographic Range [top]

Range Description:The species occurs from the Philippines to the islands of Sulawesi and Sanana (Indonesia), and from there east to the islands of Biak-Supiori and Yapen (Indonesia), New Guinea (Indonesia and Papua New Guinea), the Bismarck Archipelago (Papua New Guinea), a number of islands in Milne Bay (Papua New Guinea), the Solomon Islands (Nendo, Nggele Sule, Rennell and San Cristobal islands), and as far south as the islands of Espiritu Santo and Efate in Vanuatu (Corbet and Hill 1992; Flannery 1995; Bonaccorso 1998). It has also been recorded also on Buton Island (T. Kingston pers. comm. 2006) and Sanana Island, Sulawesi (Simmons 2005). However, some of these may be erroneous, given identification problems (T. Reardon pers. comm.).
It is found throughout the Philippines with records from Bohol, Cebu, Guimaras, Leyte, Lubang, Luzon, Palawan, Mindanao (Maguindanao, and Zamboanga del Norte provinces), Mindoro, Negros, Samar, and Tablas (Hollister 1912; Lawrence 1939; Peterson 1981; Taylor 1934; Heaney et al. 1998; Esselstyn et al. 2004) where it occurs from sea level up to 430 m asl (Heaney et al. 1998; Esselstyn et al. 2004). It has been recorded between sea level and 1,600 m over its entire range.
Countries occurrence:
Indonesia (Sulawesi); Papua New Guinea (Bismarck Archipelago); Philippines; Solomon Islands; Vanuatu
Additional data:
Upper elevation limit (metres):1600
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is locally abundant where cave systems are available in lowland, hill or lower montane forest (Bonaccorso 1998). In the Philippines, this is a moderately common species (Heaney et al. 1998). It is found roosting in large colonies in caves on Buton Island (T. Kingston pers. comm. 2006).
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:Apparently this bat roosts only in caves and forages in agricultural areas and disturbed lowland forest near sea level (Rickart et al. 1993; Sanborn 1952; Heaney et al. 1998). On Palawan it has been recorded in old growth forest (Esselstyn et al. 2004). It is an aerial insectivore that catches insects above the forest canopy, in open areas, in disturbed forest and in some agricultural areas.

Threats [top]

Major Threat(s): There are no major threats to this species throughout its range, however, locally it is affected by disturbance of caves.

Conservation Actions [top]

Conservation Actions: This wide ranging species is presumably present in some protected areas. Important roosting and foraging sites should be identified and protected. An urgent priority is to resolve Miniopterus taxonomy and identification in order to understand the distribution, abundance, habitat requirements, and ecology of this species.

Citation: Rosell-Ambal, G., Tabaranza, B., McKinnon, J., Kingston, T. & Maharadatunkamsi, D. 2008. Miniopterus tristis. The IUCN Red List of Threatened Species 2008: e.T13571A4188300. . Downloaded on 20 May 2018.
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