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Location India, Uttar Pradesh
Central coordinates 78o 59.00' East  27o 0.00' North
IBA criteria A1, A4iii
Area 300 ha
Year of IBA assessment 2004

Bombay Natural History Society

Site description This waterbody is situated along the Karhal-Kishni highway in Mainpuri district, about 8 km from Karhal town. It is also approachable from Saiphai town to its west, via a smaller road. The marsh is situated just beside the village Kudaiyya and is formed by the flooding of a natural depression in the landscape. The most prominent feature of the marsh is the abundant growth of Typha that is clearly distinguishable even from a distance. Less than half of the water surface is open, but much of these areas are hidden from view by tall reeds. The wetland’s appearance changes dramatically in the monsoon, as it is filled with pink lotus flowers, which bloom in profusion. The principal source of water to the marsh is rain. However, it is connected to a tributary of the rightwing Ganga canal, and frequently gets water through this source throughout the year. Even when completely full during the monsoon, water depth in the wetland does not exceed 1.5 m in the deepest parts. For the most part, it is less than 0.5 m, and the marsh dries up in the peak summer month of June, before it is filled up by the rain water again in July. The marsh is overgrown with lilies, lotus, many sedges, grasses and aquatic plants, all of which give the impression that the water is clogged with vegetation. The single reason why this site is important is its function as a stop-over point for thousands of ducks, waders, and pelicans, both at the beginning and the end of the winter. Over 45 species use the lake for 2-3 days before moving on. During rest of the winter, a few hundred ducks stay back. The marsh is also the roosting area of a resident flock of over 200 Sarus Crane Grus antigone. In summer, this marsh is the only source of water for the farmers of the surrounding paddy fields till the monsoon arrives. During the monsoon and immediately afterwards, the lake supports impressive congregations of the Lesser Whistling Duck Dendrocygna javanicus, Purple Moorhen or Swamphen Porphyrio porphyrio, and Pheasant-tailed jacana Hydrophasianus chirurgus.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Sarus Crane Antigone antigone resident  2004  present  A1  Vulnerable 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   -

Land use

Land-use Extent (% of site)
agriculture -
Notes: Agriculture
water management -
Notes: Irrigation

Acknowledgements Key contributor: K. S. Gopi Sunder.


Gopi Sunder, K. S. (2001) Where the Sarus duet. Sanctuary Asia (5): 62 -67.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Kudaiyya marshland. Downloaded from on 16/09/2014

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