A detailed bird survey recently conducted by Sasikumar, (2002) has shown a total of 188 species of birds in the sanctuary. Of these 12 species are endemic to Western Ghats and 18 species are in Schedule I of Wildlife Protection Act 1972 and 8 species are globally threatened birds(Bird Life International Red Data Book , Cambridge UK).

Thirteen species included in the Schedule I of the Wildlife (Protection) Act, 1972 also were recorded.

Rare and endangered birds like

were frequenting the Indian forest. The high altitude endemic species like Black and Orange flycatcher, Kerala laughing thrush were also reported from the high lands in Ambalappara area (1450m).