Population size, herd structure and sex ratio of the Blackbuck Antilope Cervicapra (Mammalia: Cetartiodactyla: Bovidae) in a human dominated area in Odisha, India
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Abstract
Blackbuck Antilope cervicapra in human dominated landscapes are vulnerable to poaching, habitat loss and competition with livestock for forage. I estimated population sizes and age structure of Blackbucks in an unprotected site of 61.21km² in Odisha over a period of one year (October 2012 to October 2013). A total of 7,134 individuals in 366 herds were documented ranging from a single individual to the largest herd of 51 animals. Average herd size was 19.49±0.03 (SE) and ranged from 13.34±0.06 in summer to 31.86±0.07 during the monsoon. Sex ratio was skewed towards females by 3:1. The young constituted 16% of the population. This indicates that a healthy population of blackbuck is surviving in this area; therefore measures need to be taken to conserve this site and manage the area as a Blackbuck reserve.Â
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