Abstract
A bird survey is carried out in lakes of Coimbatore (kumarasamy and singanallur) to examine the diversity and richness distribution of bird species in wetland region. This survey was taken from july 2018 to December 2018 to suitably access the bird diversity. A total number of 50 species from 13 orders and 34 families were recorded. The month of October and November maximum numbers of birds were identified. Pelicaniformes contributed maximum number of species. Finally, least number of birds recorded in Gruiformes, Strigiformes, Psittaciformes, Gariformes, Columbiformes and Podicipitiformes. Maximum bird species were recorded in Singanallur Lake and minimum in Kumarasamy Lake. The study revealed that Kumarasamy and Singanallur Lake acts as a refuge site for many water birds. Hence it is recommended that protection of the wetland from the human disturbance is of urgent need. 
 Key words: Kumarasamy, Threatened, Gariformes
Highlights
Biodiversity is a measure of the numbers of species that make up a biological community and is considered to be one of the most important aspects of community organization and structure
Which comprises of different varieties of birds in Singanallur lake than Kumarasamy lake which consists of spot billed pelicans, different varieties of herons,rare birds which are migratory during monsoons and winter seasons, cormorant, egret, stocks and coot varieties, spot billed duck, comb duck,terns,common birds like Indian peafowl, crow, sparrow,myna, cuckoo, eagle, parakeet, kingfisher, owl and pigeons and dove belonging to the columbidae of Aves family
Order Ciconiiformes holds 37 bird species it is the second largest order that belong to 4 families like Arbeidae, Ciconiidae, threskiornithidae and Anatidae
Summary
Biodiversity is a measure of the numbers of species that make up a biological community and is considered to be one of the most important aspects of community organization and structure. Birds use wetlands as a source of drinking water and for feeding, resting, shelter and social interaction. It is considered as a good bio indicators and useful models of the wetlands for studying the various environmental problems (Jayanta Mistry and Saradha Mukherjee, 2015). Roopavathy et al, Journal of Pharmaceutical and Biological Science Archive on water birds of Kumarasamy lake and Singanallur lake wetlands, this study was undertaken to determine the diversity of the water birds. As no detailed study on water birds of Kumarasamy lake and Singanallure lake are available, this study was undertaken to determine the diversity of the water birds
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