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Harpyionycteris whiteheadi 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Chiroptera Pteropodidae

Scientific Name: Harpyionycteris whiteheadi Thomas, 1896
Common Name(s):
English Harpy Fruit Bat
Taxonomic Notes: Further study of geographic variation in this species is needed.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Ong, P., Rosell-Ambal, G. & Tabaranza, B., Heaney, L., Gonzalez, J.C., Balete, D., Paguntalan, L.M. & Ramayla, S.
Reviewer(s): Hutson, A.M., Racey, P.A. (Chiroptera Red List Authority) & Stuart, S.N. (Global Mammal Assessment Team)
Justification:
H. whiteheadi is considered Least Concern, as it is relatively widespread and common in suitable habitat. It is unlikely that there have been substantial population declines in the past. There has been significant lowland deforestation, but this species prefers montane forest which remains more intact. Populations on particular islands such as Cebu are highly threatened.
Previously published Red List assessments:

Geographic Range [top]

Range Description:H. whiteheadi is endemic to the Philippines, where it is widespread excluding the Palawan Faunal Region and the Batanes/Babuyan group of islands. It has been recorded from Biliran, Camiguin, Cebu, Leyte, Luzon (Camarines Sur; there are no records from northern Luzon (L. Heaney pers. comm. 2006)), Maripipi, Masbate, Mindanao (Agusan del Norte, Bukidnon, Davao Oriental, Lanao del Norte, Lanao del Sur, Misamis Occidental, Misamis Oriental, Southern Cotabato, Suriago del Sur and Zamboanga del Norte provinces), Mindoro, Negros, and Samar. Its elevation range is from sea level to 1,800 m.
Countries occurrence:
Native:
Philippines
Additional data:
Upper elevation limit (metres):1800
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Populations of the harpy fruit bat are considered to be stable at present; their main habitat is montane forest, which is mostly intact (Heaney et al. 1998). It is unlikely that there has been a substantial population decline in the past and although this species is not abundant it is considered uncommon to common in lowland forest and moderately common in montane forest (L. Heaney pers. comm. 2006). In a 2003 mist net survey on Mount Apo, Mindanao, Harpyionycteris whiteheadi was uncommon in lower elevation mossy-montane forest that had been subjected to habitat alteration (Godfrey et al. unpublished report).
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:H. whiteheadi occurs in lowland and montane forest, in primary, lightly disturbed and secondary habitats. It has been found in montane ultramafic forest on limestone, and in mosaic habitats of second-growth forest and agriculture. These are fairly large bats that fly moderately high and are known to roost in trees, but not caves. They might depend on the fruits of viney pandans (Freycinetia spp.) (Heaney 1984; Heaney et al. 1989; Heideman and Heaney 1989; Rickart et al. 1993).
Systems:Terrestrial

Threats [top]

Major Threat(s): H. whiteheadi is rarely if ever hunted. Although not considered to be a major threat this species is vulnerable to deforestation (Heaney et al. 1998), which has occurred particularly in the lowlands rather than in the species' preferred montane habitat.

Conservation Actions [top]

Conservation Actions: This species occurs in some protected areas.

Classifications [top]

1. Forest -> 1.6. Forest - Subtropical/Tropical Moist Lowland
suitability:Suitable  major importance:Yes
1. Forest -> 1.9. Forest - Subtropical/Tropical Moist Montane
suitability:Suitable  major importance:Yes
14. Artificial/Terrestrial -> 14.4. Artificial/Terrestrial - Rural Gardens
suitability:Marginal  
14. Artificial/Terrestrial -> 14.6. Artificial/Terrestrial - Subtropical/Tropical Heavily Degraded Former Forest
suitability:Marginal  
2. Land/water management -> 2.1. Site/area management

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Conservation sites identified:Yes, over entire range
In-Place Species Management
In-Place Education
1. Residential & commercial development -> 1.1. Housing & urban areas
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

2. Agriculture & aquaculture -> 2.1. Annual & perennial non-timber crops -> 2.1.2. Small-holder farming
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

2. Agriculture & aquaculture -> 2.1. Annual & perennial non-timber crops -> 2.1.3. Agro-industry farming
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.1. Ecosystem conversion
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

5. Biological resource use -> 5.3. Logging & wood harvesting -> 5.3.5. Motivation Unknown/Unrecorded
♦ timing:Ongoing    
→ Stresses
  • 1. Ecosystem stresses -> 1.2. Ecosystem degradation

1. Research -> 1.2. Population size, distribution & trends
1. Research -> 1.3. Life history & ecology
3. Monitoring -> 3.1. Population trends

Bibliography [top]

Heaney, L. R. 1984. Mammals from Camiguin Island, Philippines. Proceedings of the Biological Society of Washington 97: 119-125.

Heaney, L.R., Balete, D.S., Dollar, M.L., Alcala, A.C., Dans, A.T.L., Gonzales, P.C., Ingle, N.R., Lepiten, M.V., Oliver, W.L.R., Ong, P.S., Rickart, E.A., Tabaranza Jr., B.R. and Utzurrum, R.C.B. 1998. A synopsis of the mammalian fauna of the Philippine Islands. Fieldiana: Zoology (New Series) 88: 1–61.

Heaney, L.R., Heideman, P.D., Rickart, E.A., Utzurrum, R.B. and Klompen, J.S.H. 1989. Elevational zonation of mammals in the central Philippines. Journal of Tropical Ecology 5: 259-280.

Heideman, P. D. and Heaney, L. R. 1989. Population biology and estimates of abundance of fruit bats (Pteropodidae) in Philippine submontane rainforest. Journal of Zoology (London) 218: 565-586.

Jakosalem, P. G. C., Paguntalan, L. M. J., Pedregosa, M., Gadiana, M. J. C., Bueno, R. G., Lepangue, R. and Catalbas, F. 2003. The Volant Mammals of Siquijor Island, Philippines. Unpublished report.

Rickart, E.A., Heaney, L.R., Heidman, P.D. and Utzurrum, R.C.B. 1993. The distribution and ecology of mammals on Leyte, Biliran, and Maripipi islands, Philippines. Fieldiana: Zoology 72: 1-62.


Citation: Ong, P., Rosell-Ambal, G. & Tabaranza, B., Heaney, L., Gonzalez, J.C., Balete, D., Paguntalan, L.M. & Ramayla, S. 2008. Harpyionycteris whiteheadi. The IUCN Red List of Threatened Species 2008: e.T9740A13012815. . Downloaded on 26 September 2017.
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