Shukla, Ushma, Prasad, Soumya, Joshi, Mohan, Sridhara, Sachin, and Westcott, David A. (2015) Nest site characterization of sympatric hornbills in a tropical dry forest. Current Science, 108 (9). pp. 1725-1730.

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Abstract

Hornbills, among the largest and most threatened tropical frugivores, provide important seed dispersal services. Hornbill nest site characteristics are known primarily from wet tropical forests. Nests of the Indian grey hornbill Ocyceros birostris and Oriental pied hornbill Anthracoceros albirostris were characterized in a tropical dry forest. Despite A. albirostris being twice the size of O. birostris, few of the nest cavity attributes were different. A. albirostris nests were surrounded by higher proportion of mixed forest and lower sal forest compared to O. birostris. In this landscape, the larger A. albirostris may prefer to nest in sites with more food plants compared to the smaller O. birostris.

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