The British Trust for Ornithology
COOT
Fulica atra
Coot © G H Higginbotham

Conservation Listings
Unlisted/Green
Biodiversity Steering Group: Unlisted
Long term trend
UK: Moderate increase
 
Status Summary
Both WBS and CBC trends for Coot suggest consistent moderate increases since the early 1970s, a pattern replicated in winter abundance on large still waters, as monitored by WeBS (Musgrove et al. 2001).
 
 
Table of population changes for Coot
Source Period
(yrs)		 Years Plots
(n)		 Change
(%)		 Lower
limit		 Upper
limit		 Alert Comment
CBC all habitats 31 1968-1999 31 87 23 292   Unrepresentative?
  25 1974-1999 33 23 -25 107   Unrepresentative?
  10 1989-1999 32 8 -13 44   Unrepresentative?
  5 1994-1999 36 2 -20 30   Unrepresentative?
WBS waterways 24 1975-1999 39 62 3 214    
  10 1989-1999 51 7 -15 39    
  5 1994-1999 54 8 -8 27    
BBS UK 6 1994-2000 188 55 34 80    
BBS England 6 1994-2000 170 60 37 87    
The Breeding Bird Survey is jointly funded by BTO, JNCC and RSPB
 
 
Productivity information is not currently available for this species
 




Wider Countryside Home | BTO Home | JNCC Home

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)

Terms and Conditions of use
Privacy Statement

© British Trust for Ornithology
BTO, The Nunnery, Thetford, Norfolk IP24 2PU, UK. Registered Charity Number 216652
Tel: +44 (0)1842 750050 Fax: +44 (0)1842 750030 Email:
This page last updated: 21 April, 2008

Page created by Susan Waghorn