Avifaunal diversity in Gulbarga region, north Karnatak
Keywords:
Avifauna, diversity, Gulbarga region, north Karnataka.Abstract
The study involves of bird fauna in Gulbarga region within radius of about 100km which include, Gulbarga University campus, Gulbarga city, Chandrampalli forest areas and Surpur- Bonal reservoir. The study area (Gulbarga) lies between17 04’ -77 42’ longitude and 16 12’ -17 46’ north latitude and is placed 45meters above the mean sea level. Gulbarga has a climate that is almost typical of south Indian pennisula with semi-arid conditions. The temperature between 14ºC, – 45ºC; in winter to in summer and the average rainfall being 702mm. The forest area of the District is 275 sq. miles, occupying about 4% of the geographical area. The forests are primarily deciduous at North Eastern Zone, with reasonably dense tree growth. Chincholi taluk itself represts 50% of the forest and possess teak, rosewood trees. The objective of the study included evaluation of species composition, relative abundance and distribution of avifauna of the chosen region. Line and point transect technique method were used for the survey purpose. A total of 115 species of birds belonging to 16 orders and 41 families were recorded. The Species consisting 85 resident, 27 winter and summer migrants were identified. Among the birds recorded in this study, 47 species were insectivorus, 11 omnivorus, 20 piscivorous, 8 carnivorus, 17 frugivorus, and 13 grainivorus.