Table 9 - Summary of distances between alternative nest sites Species Red-throated diver Black-throated diver Red kite Hen harrier Goshawk Golden eagle Osprey Merlin Peregrine White-tailed eagle Short-eared owl Black grouse Golden plover Greenshank Dunlin Curlew Distance between alternative nest sites Distances of 1km are not unusual. Likely <strong>to</strong> be similar <strong>to</strong> above: within 1km. Within 1km. Generally within 1km. Generally 200-300m apart, but can move <strong>to</strong> new terri<strong>to</strong>ries up <strong>to</strong> 2.5km away. Less than 3km apart in high density areas; up <strong>to</strong> 6km apart elsewhere. Within 2km. Generally within 500m, but can be up <strong>to</strong> 1.5km. Mean distance of 3km, and maximum distance of 6.5km. Generally within 3km, and a maximum distance of 12km. No information. Within 2km range. No information. No information. No information. No information. 48
4. REFERENCES Arroyo, B.E. Leckie, F., & Redpath, S.M. (2006). Habitat use and range management on priority areas for hen harriers: final report. CEH report for SNH. Arroyo, B.E. Leckie, F., Amar, A., Hamil<strong>to</strong>n, J., McCluskie, A. & Redpath, S. (2005). Habitat use and range management on priority areas for hen harriers: 2004 report. CEH report for SNH. Baines, D. (1994). Seasonal differences in habitat selection by black grouse Tetrao tetrix in the northern Pennines, England. Ibis, 136, 39-43. Baines, D., Warren, P. & Calladine, J. (2002). Spatial and temporal differences in the abundance of black grouse in relation <strong>to</strong> reductions in sheep grazing. Aspects of Applied Biology, 67. Birds and Agriculture. Bibby, C.J. (1987). Foods of breeding Merlins Falco columbarius in Wales. Bird Study, 34, 64-70. Bright, J.A., Langs<strong>to</strong>n R,H.W., Bullman, R., Evans, R.J., Gardner, S., Pearce- Higgins, J. & Wilson, E. (2006). Bird sensitivity map <strong>to</strong> provide locational guidance for onshore wind farms in Scotland. RSPB Research Report, 20 available for download from http://www.rspb.org.uk/Images/sensitivitymapreport_tcm9-157990.pdf Brown, L. (1976). British Birds of Prey. Collins. London. Buckland, S.D., Bell, M.V. & Picozzi, N. (eds.) (1990). The Birds of North-East Scotland. North-East Scotland Bird Club, Aberdeen. Byrkjedal, I. & Thompson, D.B.A. (1998). Tundra Plovers: The Eurasian, Pacific and American Golden Plovers and Grey Plover. T. & A.D. Poyser, London. Caizergues, A. & Ellison, L. (2002). Natal dispersal and its consequences in black grouse. Ibis, 144, 478-487. Calladine, J. (2002). Verification of current management prescriptions advocated for black grouse in the UK: a literature <strong>review</strong>. BTO report <strong>to</strong> RSPB. Calladine, J., Crick, H. & Wernham, C. (2005). Development of methods for surveying and estimating population size of short-eared owls (Asio flammeus). BTO Research Report, 394. Carter, I. (1997). The reintroduction of red kites in England. English Nature/Royal Society for the Protection of Birds Progress Report: April 96-March 97. Carter, I. (2001). The Red Kite. Arlequin Press, Chelmsford. Carter, I & Grice, P. (2000). Studies of the re-established red kites in England. British Birds, 93, 304-322. Cayford, J.T. (1990). Distribution and habitat preferences of black grouse in commercial forests in Wales: conservation and management implications. Proceedings of the International Union of Game Biologists’ Congress, 19, 435-447. Cayford, J.T. (1993). Black grouse and forestry: Habitat requirements and management. Forestry Technical Paper 1. Forestry Commission, Edinburgh. Cayford, J. & Hope Jones, P. (1989). Black grouse in Wales. RSPB Conservation Review, 3, 79-81. Clarke, R. & Watson, D. (1990). The hen harrier Circus cyaneus winter roost survey in Britain and Ireland. Bird Study, 37, 84-100. 49
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