The British Trust for Ornithology
GREY PARTRIDGE
Perdix perdix
Grey Partridge © Tommy Holden
 
Conservation Listings

Table 3/Red (50% Population decline)
Biodiversity Steering Group Priority Species List

  Long term trend
UK: Rapid decline
 
Status Summary
This species has declined enormously, probably because of the effects of agricultural intensification (specifically herbicides) on the food plants of young chicks' insect prey (Potts 1986). Despite years of research and the presence of a Government Biodiversity Action Plan, the continuing decline shown by the BBS and CBC since 1994 suggests that recent efforts to boost the population have not been successful.
 
 
Table of population changes for Grey Partridge
Source Period
(yrs)
Years Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
CBC all habitats 31 1968-1999 59 -85 -90 -78 >50  
  25 1974-1999 55 -84 -89 -78 >50  
  10 1989-1999 39 -54 -63 -42 >50  
  5 1994-1999 37 -33 -43 -21 >25  
CBC farmland 31 1968-1999 44 -84 -89 -79 >50  
  25 1974-1999 40 -83 -88 -77 >50  
  10 1989-1999 32 -56 -66 -45 >50  
  5 1994-1999 31 -38 -50 -28 >25  
BBS UK 6 1994-2000 220 -22 -34 -8    
BBS England 6 1994-2000 193 -26 -38 -12 (>25)  
BBS Scotland 6 1994-2000 25 -3 -43 65   Small sample
The Breeding Bird Survey is jointly funded by BTO, JNCC and RSPB
 
 
Productivity information is not currently available for this species
 




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This report should be cited as:
Baillie, S.R., Crick, H.Q.P., Balmer, D.E., Beaven, L.P., Downie, I.S., Freeman, S.N., Leech, D.I., Marchant, J.H.,
Noble, D.G., Raven, M.J., Simpkin, A.P., Thewlis, R.M. and Wernham, C.V.
(2002) Breeding Birds in the Wider
Countryside: their conservation status 2001. BTO Research Report No. 278. BTO, Thetford. (http://www.bto.org/birdtrends)

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This page last updated: 21 April, 2008

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