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Determinants of antipredator behaviour in birds

Avinash Agrawala, Sahil Guptab& Kanan Saxenab*
aDepartment of Zoology, Government Bangur College, Didwana, Nagaur, Rajasthan, India
bDepartment of Zoology, Government Meera Girls College, Udaipur, Rajasthan, India
Received : 09th January, 2021 ; Revised : 08th February, 2021

AbstractPredation influences the fitness of prey and leads to antipredator strategies in prey populations. Anthropological changes are also detrimental to birds’ survival. Hence, birds have evolved defenses against predation. Prey defenses include a number of components including physical, behavioural and ecological elements that are significant in determining the antipredator response of birds. The anti-predatory response of birds suggests their adjustments towards fear from predation. Study of these factors enables us to understand the selective forces against birds’ response to natural predation risk. These components support the animal in immediate survival but they have likely costs on food availability, feeding time, reproductive output and parental care. Identified gaps in the understanding of antipredator behaviour of birds emphasize the need to initiate behavioural studies in different habitats and geographic regions of the country to frame guidelines for conservation of birds.

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