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Location Indonesia, Nusa Tenggara Timur
Central coordinates 120o 0.30' East  8o 44.40' South
IBA criteria A1, A2
Area 6,569 ha
Altitude 500 - 1,230m
Year of IBA assessment 2004

Burung Indonesia (Affiliate)

Site description This area consists of slopes and flat ridges which are formed by volcanic activity. There is a crater lake in the active mountain of Wae Sano.

Key Biodiversity There are two endemic birds of Flores in this area. Flores Monarch Monarcha sacerdotum and Flores Crow Corvus florensis (Trainor & Lesmana 2000). In 1970s, Yellow-crested Cockatoo was reported abundant, but there is no new record and it is predicted extinct from this area (Schmutz 1977).

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Flores Monarch Monarcha sacerdotum resident  2004  present  good  A1  Endangered 
Flores Crow Corvus florensis resident  2004  present  good  A1  Endangered 

IBA Monitoring

2012 medium near favourable high
Good - based on reliable and complete / representative data

Agriculture and aquaculture annual & perennial non-timber crops - small-holder farming happening now small area/few individuals (<10%) slow but significant deterioration low
Invasive & other problematic species, genes & diseases invasive non-native/alien species/diseases - named species happening now some of area/population (10-49%) slow but significant deterioration medium
Transportation and service corridors roads and railroads happening now small area/few individuals (<10%) no or imperceptible deterioration low

Forest   5500 5500 100 moderate (70-90%) near favourable

Most of site (50-90%) covered (including the most critical parts for important bird species)  A comprehensive and appropriate management plan exists that aims to maintain or improve the populations of qualifying bird species  The conservation measures needed for the site are being comprehensively and effectively implemented  high 


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

Protection status This area including Sano Nggoang that is proposed as Sano Lake (Danau Sano-5500 ha) (MacKinnon 1982) and also include Sesok Protection Forest (Trainor & Lesmana 2000).

References MacKinnon, J., Beudels, R., Robinson, A. & Artha, M. 1982. A National Conservation Plan for Indonesia Vol IV; Nusa Tenggara. UNDP/FAO, Bogor.Schmutz, E. 1977. Die Vogel der Manggarai (Flores), 2. Niederschrift. [unpublication].Trainor, C and Lesmana, D. 2000. Exploding volcanoes, unique birds, gigantic rats and elegant ikat: Identifying sites of international conservation significance with particular reference to Sumbawa. PKA/BirdLife/WWF, Bogor. Report No. 11.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Sesok. Downloaded from on 22/10/2016

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