IN465
Tillangchong, Camorta, Katchal, Nancowry and Trinkat


IBA Justification

The site was identified as internationally important for bird conservation in 2004 because it was regularly supporting significant populations of the species listed below, meeting IBA criteria.

Populations meeting IBA criteria ('key species') at the site:
Species Red List Season (year/s of estimate) Size IBA criteria
Nicobar Scrubfowl Megapodius nicobariensis VU resident (2004) present A1, A2
Andaman Woodpigeon Columba palumboides NT resident (2004) present A2
Andaman Cuckoo-Dove Macropygia rufipennis LC resident (2004) present A2
Andaman Boobook Ninox affinis LC resident (2004) present A2
Nicobar Sparrowhawk Accipiter butleri VU resident (2004) present A1, A2
Nicobar Bulbul Ixos nicobariensis NT resident (2004) present A1, A2
White-headed Starling Sturnia erythropygia LC resident (2004) present A2

IBA Conservation

Ideally the conservation status of the IBA will have been checked regularly since the site was first identified in 2004. The most recent assessment (2013) is shown below.

IBA conservation status
Year of assessment State Pressure Response
2013 near favourable very high medium
Whole site assessed? State assessed by Accuracy of information
yes habitat unknown

State (condition of the key species' populations)
Species Actual vs Reference (units) % remaining Result
Nicobar Scrubfowl Megapodius nicobariensis 64 / 1,200 (individuals) 6 not assessed

State (condition of the key species' habitats)
Habitat Quantity (% remaining) Quality (% carrying capacity) Result
Forest good (>90%) moderate (70–90%) near favourable

Pressure (threats to the key species and/or their habitats)
Threat Timing Scope Severity Result
Human intrusions and disturbance happen­ing now whole popul­ation/area (>90%) rapid deteri­oration (>30% over 3 gener­ations) very high

Response (conservation actions taken for the key species and/or their habitats)
Designation Planning Action Result
Whole area of site (>90%) covered by appropriate conservation designation A compre­hensive and appropriate manage­ment plan exists that aims to maintain or improve the popul­ations of qualify­ing bird species Unknown medium

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
1977 Tillongchang Island Sanctuary (IV) 100

Habitats

Habitat % of IBA Habitat detail
Artificial/Terrestrial -
Forest -
Grassland -
Marine Coastal/Supratidal -

Land use

Land use % of IBA
agriculture -
fisheries/aquaculture -
forestry -
nature conservation and research -
tourism/recreation -
urban/industrial/transport -


Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Tillangchong, Camorta, Katchal, Nancowry and Trinkat (India). Downloaded from https://datazone.birdlife.org/site/factsheet/tillangchong-camorta-katchal-nancowry-and-trinkat-iba-india on 12/01/2025.