Philautus surrufus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Rhacophoridae

Scientific Name: Philautus surrufus Brown & Alcala, 1994
Common Name(s):
English Molted Tree Frog, Malindang Tree Frog, Rufous Bush Frog
Taxonomic Source(s): Frost, D.R. 2017. Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History, New York, USA Available at:

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Diesmos, A.C., Alcala, A., Brown, R., Afuang, L.E., Gee, G., Hampson, K., Diesmos, M., Mallari, A., Ong, P., Ubaldo, D. & Gutierrez, B.
Reviewer(s): Stuart, S.N., Chanson, J.S. & Cox, N.A.
Listed as Endangered because its Extent of Occurrence is less than 5,000 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat on Mindanao in the Philippines.

Geographic Range [top]

Range Description:This species is currently known from a few mountains on north-western Mindanao Island, in the Philippines.
Countries occurrence:
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It was uncommon on Mount Malindang, the type locality, at the time of the original collection and no recent field studies of this area have been conducted. Specimens from two mountains east of Mount Malindang (Mount Kitanglad and Mount Lumot) may refer to this species.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It inhabits arboreal microhabitats in mossy and montane rainforests, and has not been found outside forest. It breeds by direct development.

Threats [top]

Major Threat(s): It inhabits high-elevation forests, which are generally less threatened by habitat conversion, agriculture, and human encroachment. Nonetheless, these threats remain an issue for some populations of this species.

Conservation Actions [top]

Conservation Actions: It occurs in Mount Malindang National Park, but there is a need for improved protection of the remaining montane rainforest of Mindanao. This species may potentially be declining significantly at the type locality and so immediate surveys are needed to assess its population status.

Errata [top]

Errata reason: Reformatted names of assessor(s), reviewer(s), contributor(s), facilitator(s) and/or compiler(s).

Citation: Diesmos, A.C., Alcala, A., Brown, R., Afuang, L.E., Gee, G., Hampson, K., Diesmos, M., Mallari, A., Ong, P., Ubaldo, D. & Gutierrez, B. 2004. Philautus surrufus (errata version published in 2016). The IUCN Red List of Threatened Species 2004: e.T58922A86180978. . Downloaded on 25 June 2018.
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