Broughton, R. K., Hill, R.A., Bellamy, P. E. and Hinsley, S.A., 2010. Dispersal, ranging and settling of Marsh Tits Poecile palustris in a fragmented landscape in lowland England. Bird Study, 57 (4), pp. 458-472.
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Capsule Natal dispersal was rapid and distances were short. Winter ranging and breeding dispersal were limited. Few birds undertook large movements. Aims To investigate the natal and breeding dispersal of Marsh Tits, including the timing of dispersal movements. Methods Nestlings, juveniles and adults were ringed and searched for over 4500 ha during summer, autumn–winter, and spring over six years. Dispersal distances were measured as metric distances and multiples of territory widths. Ranging distances were compared with dispersal distances. Results Median distances of natal dispersal were 2.6 territory widths for males (704.5 m) and 3.1 territory widths for females (1065.0 m). Median distances of breeding dispersal were 0.2 territory widths for males and females (58.6 and 53.1 m respectively). Most natal dispersal was completed soon after independence, with further movement in spring. Breeding dispersal was also detected during these periods. Median ranging distances were short, and some winter floaters were identified. Conclusion Marsh Tits had short dispersal distances, with most dispersal activity occurring in June. Results suggested that dispersal behaviour was sensitive to habitat fragmentation, resulting in poor settling success outside of the natal wood. Habitat fragmentation may, therefore, be a contributory factor in the decline of the Marsh Tit population in Britain.
|Subjects:||Geography and Environmental Studies|
|Group:||School of Applied Sciences > Centre for Conservation, Ecology and Environmental Change|
|Deposited By:||Dr Ross Hill|
|Deposited On:||15 Jan 2011 19:43|
|Last Modified:||07 Mar 2013 15:41|
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