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Behavioural studies provide the reasons behind habitat preferences of animals and their fitness to survive and propagate.Â The Four-horned Antelope, an endangered endemic species to the Indian subcontinent was monitored at Ratamate area of Babai Valley in Bardia National Park, Nepal.Â We used ad libitum sampling and focal animal sampling within the rule for continuous recording of â€˜all-occurrencesâ€™ of â€˜vigilanceâ€™ behaviour. We found that the Four-horned Antelope remains â€˜alert and vigilantâ€™ during 40% of its behavioural time budget when it scans the surroundings with raised head, with or without chewing. In the event of sudden threat it â€˜freezesâ€™, lying down still and hiding in the ground cover.Â Therefore, maintenance of ground cover should form a regular practice in conservation management of the Four-horned Antelope.Â
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