- Page 1: RACING PIGEONS - IMPACT OF RAPTOR P
- Page 6 and 7: 3.3.1 Methods .....................
- Page 9 and 10: 1. EXECUTIVE SUMMARY 1.1 INTRODUCTI
- Page 11 and 12: 1.3 REPORTED LOSSES TO SPARROWHAWKS
- Page 13 and 14: ings) for those pigeons last releas
- Page 15 and 16: novel area of investigation was ide
- Page 17 and 18: spatial plot of sparrowhawk activit
- Page 19 and 20: eginning of the season, the racing
- Page 21 and 22: Of the 1,283 breeding pairs in the
- Page 23 and 24: In southern Scotland there was cons
- Page 25 and 26: the proportion of domestic pigeon e
- Page 27 and 28: It was estimated that this annual c
- Page 29 and 30: ace seasons. A further 27% of young
- Page 31 and 32: Shawyer et al. (2000) reported obse
- Page 33 and 34: which renders individuals more pron
- Page 35 and 36: 3.2 REPORTED LOSSES IN 2002 This pa
- Page 37 and 38: Figure 3.1. Distribution of SHU mem
- Page 39 and 40: Table 3.2 Loft populations and tota
- Page 41 and 42: a greater percentage lost in Dundee
- Page 43 and 44: etween 1986 and 1996. The analysis
- Page 45 and 46: Glasgow loft, which spanned the gre
- Page 47 and 48: Ayrshire Loft 100 80 60 40 20 0 198
- Page 49 and 50: 4.2 RESULTS 4.2.1 Reported Losses R
- Page 51 and 52: Figure 4.1. Summary of reported los
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Of the 32 lofts, 13 loft-owners rep
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At the level of the individual loft
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of natural cliffs) and also as a re
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Table 5.2. Regional distribution of
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aced over this period in the middle
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few were from birds either confirme
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Table 5.4. Grouped locations of SHU
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irds were also categorised as poten
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5.4.2 Results method 1: A total of
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6. REVIEW OF DETERRENTS 6.1 INTRODU
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The five most frequently used techn
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Table 6.3. Pigeon-based deterrents
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Human disturbance Human activity ca
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Visual deterrents Static visuals, s
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For the same reasons as discussed f
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Habitat modification Habitat modifi
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farmers (e.g. woodpigeons) or at lo
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The loft-based trials assessed whet
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6.6 OVERVIEW 6.6.1 Loft-based deter
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to be ineffective. Some degree of e
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7.1.2 Old Birds A similar trial of
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7.3 DISCUSSION Groups of old birds
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very wide range of estimates for to
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number of lofts over which individu
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10. References Allan, D.S. 2001. Ra
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Dixon, A., Richards, C., Lawrence,
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McNamara, K., O’Kiely, P., Whelan
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Redpath, S.M., Clarke, R., Madders,
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ANNEX 1: Method for estimating the
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Figure 1. National Peregrine Survey
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Correction factor for over-represen
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Correction factor for over-represen
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Table 4. Values for the four parame