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Tickell's Brown Hornbill Anorrhinus tickelli

Justification
This species is likely to be restricted to primary forests, and is therefore almost certainly suffering at least moderately rapid declines. On this basis it is currently considered Near Threatened, but further studies are urgently required in order to determine the rates of decline, habitat loss and other threats such as hunting pressure.

Taxonomic note
Anorrhinus tickelli (Sibley and Monroe 1990, 1993) has been split into A. tickelli and A. austeni following Rasmussen and Anderton (2005).

Distribution and population
Anorrhinus tickelli is found in southern Myanmar (in mountainous areas of Tenasserim) and south-east Thailand (at Huai Kha Khaeng and historically south from Hue Nya Pla to Petchaburi River, with a recent sighting in Cumporn Province) (Kemp 1995). Generally uncommon, it is most abundant on the Thai side of the peninsula ridge, although it does not occur on the southern Thailand plains and has been described as 'endangered' elsewhere in the country.

Population justification
Data are urgently required on this species's population size. Given the dwindling area of suitable primary forest habitat within its range, its population size could be small.

Trend justification
Data on population trends are lacking for this species, but a moderately rapid decline is suspected to be occurring as a result of habitat loss across the species's range.

Ecology
This species inhabits dense evergreen and deciduous forest from foothills to 1,500 m, favouring the tallest primary forest, including stands of Hopea odorata.

Threats
Forest loss has been prevalent throughout the range as a result of commercial and subsistence logging and agricultural conversion. Hunting and trapping may also be problems for this species.

Conservation Actions Underway
No targeted conservation actions are known for this species.

Conservation Actions Proposed
Conduct surveys throughout the range in order to clarify current status. Repeat surveys and monitor populations at known sites in order to determine the magnitude of declines and rates of range contraction. Conduct ecological studies to determine habitat requirements and tolerance of secondary habitats. Assess potential risk from hunting and trapping. Grant protection to areas of suitable habitat to safeguard against logging and encroachment. Raise awareness of the species and its status in an effort to reduce potential hunting pressure.

References
Kemp, A. 1995. The hornbills. Oxford University Press, Oxford.

Further web sources of information
Detailed species accounts from the Threatened birds of Asia: the BirdLife International Red Data Book (BirdLife International 2001).

Text account compilers
Butchart, S., Gilroy, J., Harding, M., Taylor, J.

IUCN Red List evaluators
Butchart, S., Symes, A.

Recommended citation
BirdLife International (2014) Species factsheet: Anorrhinus tickelli. Downloaded from http://www.birdlife.org on 18/04/2014. Recommended citation for factsheets for more than one species: BirdLife International (2014) IUCN Red List for birds. Downloaded from http://www.birdlife.org on 18/04/2014.

This information is based upon, and updates, the information published in BirdLife International (2000) Threatened birds of the world. Barcelona and Cambridge, UK: Lynx Edicions and BirdLife International, BirdLife International (2004) Threatened birds of the world 2004 CD-ROM and BirdLife International (2008) Threatened birds of the world 2008 CD-ROM. These sources provide the information for species accounts for the birds on the IUCN Red List.

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

To contribute to discussions on the evaluation of the IUCN Red List status of Globally Threatened Birds, please visit BirdLife's Globally Threatened Bird Forums.

Additional resources for this species

ARKive species - Tickell's brown hornbill (Anorrhinus tickelli) 0

Key facts
Current IUCN Red List category Near Threatened
Family Bucerotidae (Hornbills)
Species name author (Blyth, 1855)
Population size mature individuals
Population trend Decreasing
Distribution size (breeding/resident) 161,000 km2
Country endemic? No
Links to further information
- Additional Information on this species