|Central coordinates||78o 52.00' East 9o 22.00' North|
|IBA criteria||A1, A4iii|
|Year of IBA assessment||2004|
Site description Big Tank or Peria Kanmai (System Tank) (891 ha) and Sakkarakottai Kanmai (Non-system Tank) (1,650 ha) are twin wetlands of great importance for bird conservation, although they were initially built to provide irrigation and drinking water. Peria Kanmai is fed by the River Vaigai and Sakkarakottai Kanmai is rainfed. These wetlands are located 5 km north of the district headquarters at Ramanathapuram. The wetlands are rich in aquatic flora, especially Scirpus, Cyperus pygmaeus, Cyperus difformis and Cynodon dactylon. Ipomea carnea can be seen in dense stands on the periphery.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Spot-billed Pelican Pelecanus philippensis||-||2004||present [units unknown]||-||A1||Near Threatened|
|A4iii Species group - waterbirds||unknown||2004||20,000 individuals||unknown||A4iii|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Land-use||Extent (% of site)|
|Notes: Cultivation of vegetables on the banks|
Acknowledgements Key contributors: S. Balachandran, S. S. Ramchandran Raja and V. Kannan.
Wetlands International (2002) Waterbirds Population Estimates: Third Edition. Wetlands International Global Series No. 12. Wageningen, the Netherlands.
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Recommended citation BirdLife International (2013) Important Bird Areas factsheet: Big Tank (Peria Kanmai) and Sakkarakotai Kanmai. Downloaded from http://www.birdlife.org on 11/12/2013
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