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Population Structure and Habitat Utilization of Migratory Birds at Bakhira Bird Sanctuary, Uttar Pradesh, India

Population Structure and Habitat Utilization of Migratory Birds at Bakhira Bird Sanctuary, Uttar Pradesh, India

Himanshu Mishra, Vikas Kumar and Ashish Kumar*

Animal Diversity and Ecology Laboratory, Department of Zoology, University of Lucknow, Lucknow-226007 U.P., India

*      Corresponding author: adellu111@gmail.com

 

ABSTRACT

An attempt has been made for the very first time to study the population structure and habitat utilization of migratory birds at Bakhira bird sanctuary, district Sant Kabir Nagar, Uttar Pradesh, India from October 2017 to March 2018. Thirty two species of birds were observed during the field investigation. The line transect method was employed for population estimates. During the field survey, we recorded a significantly higher number of migratory birds at the end of early winter (December) and at the commencement of middle winter (January). Red crested pochard (Netta rufina), Common coot (Fulica atra) and Gadwall (Mareca strepera) were the most populated species in the present study. The number of birds was not significantly different among winter months except between October/December and October/January wherein, we found significant variation in the number of birds at the Bakhira tal. Of the five main habitat types viz. lowland vegetation, upland vegetation, emergent vegetation, open water and agricultural fields, the most utilized were lowland vegetation and the emergent vegetation in the early and middle wintering stage. While in late winter, the emergent vegetation was the most utilized habitat. The findings of the present study provide the baseline information about the population of migratory birds and the rate of habitat utilization at the Bakhira bird sanctuary. 
 

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Pakistan Journal of Zoology

December

Vol. 51, Iss. 6, Pages 1999-2399

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