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Location Philippines, Region XI
Central coordinates 124o 15.00' East  10o 15.00' North
IBA criteria A1, A2
Area 20,000 ha
Altitude 0 - 1,641m
Year of IBA assessment 2001

Haribon Foundation

Site description This IBA includes the forested sections of the mountainous Agustin Peninsula in the south-east of Mindanao. This long, narrow peninsula rises to a maximum altitude of 1,641 m at Tumadgo Peak. Extensive lowland and montane forests are shown on a recent forest cover map on the eastern side of the peninsula, extending southwards from the area around Tumadgo Peak and Tumadgo Point. A survey in 1997 located areas of selectively-logged lowland forest at 0-660 m within the Davao Enterprises Corporation concession at Cabuaya, selectively-logged lowland forest at 650 m at La Union and degraded lowland forest and selectively-logged montane forest at 665-1,100 m at Sergio Osmeña.

Key Biodiversity Several of the threatened and restricted-range species of the Mindanao and Eastern Visayas Endemic Bird Area have been recorded at Tumadgo Peak, and the extensive lowland and montane forests there are likely to support populations of many of these birds. Indeed, this IBA may prove one of the most important lowland forest sites in the EBA. The recent records of the Philippine Eagle suggest that Tumadgo Peak is an important part of the network of sites required to conserve this critically endangered species.

Non-bird biodiversity: The mammals present in the area are unknown.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Japanese Night-heron Gorsachius goisagi winter  2001  present  A1  Endangered 
Spot-billed Pelican Pelecanus philippensis non-breeding  2001  present  A1  Near Threatened 
Philippine Eagle Pithecophaga jefferyi resident  2001  present  A1  Critically Endangered 
Nisaetus philippensis resident  2001  present  A1  Not Recognised 
Mindanao Bleeding-heart Gallicolumba crinigera resident  2001  present  A1  Vulnerable 
Giant Scops-owl Otus gurneyi resident  2001  present  A1  Vulnerable 
Philippine Eagle-owl Bubo philippensis resident  2001  present  A1  Vulnerable 
Alcedo argentata resident  2001  present  A1  Not Recognised 
Ceyx melanurus resident  2001  present  A1  Not Recognised 
Blue-capped Kingfisher Actenoides hombroni resident  2001  present  A1  Vulnerable 
Rufous-lored Kingfisher Todiramphus winchelli resident  2001  present  A1  Vulnerable 
Philippine Cockatoo Cacatua haematuropygia resident  2001  present  A1  Critically Endangered 

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Mount Hamiguitan Range Wildlife Sanctuary 6,834 protected area contained by site 6,834  


IUCN habitat Habitat detail Extent (% of site)
Artificial - terrestrial   -
Forest   -

Protection status Not officially protected.

References Bueser et al. (in prep.); Ibañez et al. (in prep.).

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Mount Hamiguitan Range Wildlife Sanctuary. Downloaded from on 26/10/2016

To provide new information to update this factsheet or to correct any errors, please email BirdLife