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Description |
Geographic Range [top]
Range Description: This species is endemic to the Philippines where it is known only from Dinagat island (Heaney and Rabor 1982). It is thought to occupy areas above 300 m. It may be more widespread than its current known range, occurring perhaps on Siargao and Bucas Grande, but there have been no adequate surveys to determine this (L. Heaney pers. comm. 2016).
Countries occurrence:
Native:
Philippines
Additional data:
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: The species is known only from two specimens collected in 1975, and one individual in 1995 (Musser et al. 1998). There have been no subsequent surveys done specifically for this species, but other surveys in the area in the early 2000s failed to locate any additional individuals (B. Tabaranza pers. comm).
Current Population Trend: Decreasing
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: This species occurs in lowland forest at around 350 m (Musser et al. 1998). It is not thought to be tolerant to major habitat disturbance. This species is nocturnal and probably arboreal (L. Heaney pers. comm. 2016).
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Threats [top]
Major Threat(s): The population of this geographically restricted species on Dinagat island has been particularly threatened by habitat loss caused by illegal logging since 1995 and more recently (2001-2007) several mining companies have started operating there. Suitable habitat for this species is found within the mining concessions. The local government is also very supportive of the mining companies because of their contribution to the local governments funds.
Conservation Actions [top]
Conservation Actions: Little is known about this species and field research is badly needed (L. Heaney pers. comm. 2016). Surveys are required to determine the geographic range of the species on nearby islands as well as its tolerance to habitat disturbance.
Citation: Kennerley, R. 2017. Batomys russatus. The IUCN Red List of Threatened Species 2017: e.T136394A22449489. http://dx.doi.org/10.2305/IUCN.UK.2017-2.RLTS.T136394A22449489.en. Downloaded on 11 January 2019.
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