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CORMORANT Phalacrocorax carbo
 
Conservation Listings Long term trend

Unlisted/Green
Biodiversity Steering Group
Conservation Concern List

UK: Increasing
Shetland: Decreasing
 
Status Summary
The BBS indicates little change in Cormorant numbers over the past five years. The UK Seabird Monitoring Programme shows substantial increases in numbers breeding inland in England and in Northern Ireland between 1986-99 (Upton et al. 2000). However, numbers have fallen in Shetland by 5% per year over the same period.
 
 
Table of population changes for Cormorant
Source Period
(yrs)
Years Plots
(n)
Change
(%)
Lower
limit
Upper
limit
Alert Comment
BBS UK 5 1994-1999 130 -5 -21 13    
BBS England 5 1994-1999 107 -9 -24 10    
The Breeding Bird Survey is jointly funded by BTO, JNCC and RSPB
 
 
Productivity information is not currently 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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