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Diet Of The Silvery-Cheeked Hornbill Bycanistes Brevis During the Breeding Season in The East Usambara Mountains, Tanzania

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dc.creator Cordeiro, Norbert J.
dc.creator Campbell, Joshua T
dc.creator Ndangalasi, Henry J.
dc.date 2016-07-08T12:14:32Z
dc.date 2016-07-08T12:14:32Z
dc.date 2016-01
dc.date.accessioned 2018-03-27T08:55:34Z
dc.date.available 2018-03-27T08:55:34Z
dc.identifier Cordeiro, N.J., Campbell, J.T. and Ndangalasi, H.J., 2016. Diet of the Silvery-cheeked Hornbill Bycanistes brevis during the breeding season in the East Usambara Mountains, Tanzania. Ostrich, 87(1), pp.67-72.
dc.identifier http://hdl.handle.net/20.500.11810/2890
dc.identifier 10.2989/00306525.2015.1129995
dc.identifier.uri http://hdl.handle.net/20.500.11810/2890
dc.description Full text can be accessed at http://www.tandfonline.com/doi/abs/10.2989/00306525.2015.1129995
dc.description The breeding season diet and nesting characteristics of the Silvery-cheeked Hornbill Bycanistes brevis are poorly known. To further understand these aspects of the breeding biology of this hornbill species, 14 nests were studied in and around Amani Nature Reserve located in the East Usambara Mountains, Tanzania. Nesting tree species were identified and the diet composition of nesting hornbills was evaluated between July and November 2001. The ejecta from each nest were collected, inventoried, identified (as completely as possible) and enumerated. Food items were categorised as plant, vertebrate or invertebrate. Plants, represented largely by fruits, were the dominant food type (n = 861), followed by invertebrates (n = 306; mainly millipedes and beetles), and vertebrates (n = 15; mainly smaller birds and chameleons). A comparison of results from the current study to other nesting observations made approximately seven decades earlier in the same area suggest that (1) the invasive tree species Maesopsis eminii, which was the most common food type consumed (n = 4 539 seeds), has become a favoured new food source in the breeding season, and (2) the breeding season appears to have shifted to an earlier period, potentially due to the fruiting phenology and abundance of Maesopsis eminii.
dc.language en
dc.publisher Taylor & Francis
dc.subject Breeding
dc.subject Eastern Arc
dc.subject Fruit
dc.subject Hornbill
dc.subject Invasive species
dc.subject Maesopsis eminii
dc.title Diet Of The Silvery-Cheeked Hornbill Bycanistes Brevis During the Breeding Season in The East Usambara Mountains, Tanzania
dc.type Journal Article


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