The importance of anthropogenic effects in habitat use and territory size of Northern Anteater-chats Myrmecocichla aethiops near Amurum Forest Reserve, Jos-Plateau, Nigeria
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Occurrence of animals in an area and the size of territories they occupy is a function of resource availability and the environmental conditions in that area. Territory location in birds is often determined by availability of nesting habitat and we investigate whether this is the case for the little-studied Northern Anteater-chat Myrmecocichla aethiops. Territory size and location were mapped over two months in 2012 at 25 different sites where the birds occurred in central Nigeria and compared to 25 random sites where they did not, 500 m away. Vegetation variables, invertebrate abundance indicators, anthropogenic variables (availability of nest sites) and bird community components were measured and compared with adjoining areas (500 m away) from which the birds were absent in order to determine important factors determining territory location and size. Territories were 1.23 ha (SE 0.14) in size and were widely separated and so non-contiguous. Increasing numbers of abandoned wells, ant nests and termite mounds increased the probability of territory occupation. Territory size increased with the number of anteater-chats but decreased with increasing number of ant nests and overall bird diversity that were probably proxies for habitat quality. Overall, choice of preferred areas for the Northern Anteater-chat was centred on nesting sites and then habitat quality and group size probably determined territory size.
Yadok , B G , Barshep , Y & Cresswell , W 2014 , ' The importance of anthropogenic effects in habitat use and territory size of Northern Anteater-chats Myrmecocichla aethiops near Amurum Forest Reserve, Jos-Plateau, Nigeria ' , Ostrich , vol. 85 , no. 2 , pp. 147-151 . https://doi.org/10.2989/00306525.2014.957745
Copyright © NISC (Pty) Ltd. This is an Accepted Manuscript of an article published by Taylor & Francis in Ostrich on 23 September 2014, available online: http://wwww.tandfonline.com/10.2989/00306525.2014.957745
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