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STONECHAT Saxicola torquata
 
Conservation Listings Long term trend

Table 4/Amber (European status)
Biodiversity Steering Group Conservation Concern List

UK: Uncertain, possible decline
 
Status Summary
Breeding atlas data showed a substantial contraction in the Stonechat's range between the early 1970s and late 1980s (Gibbons et al. 1993), but the species was not monitored sufficiently well before the start of the BBS for long-term trends to be investigated. Abundance has fluctuated since 1994, but with a net increase, and breeding performance has improved over the long term.
 
 
Table of population changes for Stonechat
Source Period
(yrs)
Years Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
BBS UK 5 1994-1999 66 80 32 147    
BBS England 5 1994-1999 26 77 10 186   Small sample
The Breeding Bird Survey is jointly funded by BTO, JNCC and RSPB
 
 
Table of productivity information for Stonechat
Variable Period
(yrs)
Years Mean
annual
sample
Trend Predicted
in first year
Predicted
in last year
Change Comment
Clutch size 30 1968-1998 20 Linear increase 4.97 eggs 5.36 eggs 0.39 eggs Small sample
Brood size 30 1968-1998 52 Linear increase 4.65 chicks 4.94 chicks 0.29 chicks  
Daily failure rate (eggs) 30 1968-1998 24 None       Small sample
Daily failure rate (chicks) 30 1968-1998 45 None        
Laying date 30 1968-1998 29 None       Small sample
 
Insufficient data on CES
available for this species

 

   



The report should be cited as: Baillie, S.R., Crick, H.Q.P., Balmer, D.E., Bashford, R.I., Beaven, L.P., Freeman, S.N., Marchant, J.H., Noble, D.G., Raven, M.J., Siriwardena, G.M., Thewlis, R. and Wernham, C.V. (2001) Breeding Birds in the Wider Countryside: their conservation status 2000. BTO Research Report No. 252. BTO, Thetford. (http://www.bto.org/birdtrends)

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Last updated: 7 August, 2001

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