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1 July 2003 Nest Tree Utilization by the Malabar Grey Hornbill Ocyceros griseus in the Semi-Evergreen Forest of Mudumalai Wildlife Sanctuary (S India)
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Abstract

The study was carried out between 2000 and 2002 in a semi-evergreen forest in the south-western portion of the Mudumalai Wildlife Sanctuary, India. A total of 81 cavities in 19 tree species were used for nesting by Malabar Grey Hornbills during the study. Three tree species: Lagerstroemia microcarpa, Terminalia bellirica and T. crenulata together made up 69% of all the nest trees used. The mean height of the nest trees was 36 ± 6 m, girth at breast height 3 ± 1 m and nest height 17 ± 6 m. 35 (67%) nest holes were re-used in 2001 while 21 (40%) nest holes were re-used in 2002. Terminalia crenulata was the tree re-used most often. Nest fidelity by the Malabar Grey Hornbill was reduced owing to competition by other cavity users.

Maheswaran Balaraman and Paramasivam Balasubramanian "Nest Tree Utilization by the Malabar Grey Hornbill Ocyceros griseus in the Semi-Evergreen Forest of Mudumalai Wildlife Sanctuary (S India)," Acta Ornithologica 38(1), 33-37, (1 July 2003). https://doi.org/10.3161/068.038.0108
Received: 1 November 2002; Accepted: 1 April 2003; Published: 1 July 2003
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