References

BirdLife International, 2009. Giant nuthatch Sitta magna. http://www.birdlife.org/datazone/species/index.html?action=SpcHTMDetails.asp&sid=6902&m=0.

Dickson, J.G., R.N. Connor, R.R. Fleet, J.C. Kroll and J.A. Jackson, 1979. The Role of Insectivorous Birds in Forest Ecosystems. Academic Press, UK., ISBN-10: 0122153502, pp: 394.

Gabbe, A.P., S.K. Robinson and J.D. Brawn, 2002. Tree-species preferences of foraging insectivorous birds: Implications for floodplain forest restoration. Conservat. Biol., 16: 462-470.
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Maxwell, J.F., 1998. Upland vegetation of doi chiang dao wildlife sanctuary chiang mai province. Tigerpaper, 25: 5-11.

Poonswad, P., 1998. The Asian Hornbills: Ecology and Conservation. National Center for Genetic Engineering and Biotechnology, Bangkok, Thailand, ISBN-10: 9747577798, pp: 325.

Round, P.D., R. Pimathai, R. Jukmongkol and A.W. Tordoff, 2004. Directory of Important Bird Areas in the Kingdom of Thailand. Bird Life International, Bangkok, ISBN-10: 9749228960, pp: 192.

Saidee, P., 2006. Chiang dao wildlife sanctuary data base. The 16th Conservation Area Administration Office. Chiangmai, Thailand.