Red = breeding confirmed
Orange = breeding probable
Data collected by volunteers for the BTO. Sharrock, J.T.R., (1977). The Atlas of Breeding Birds in Britain and Ireland. T. & A.D. Poyser.
Blackbird – 1968-72 breeding
Red = breeding confirmed
Orange = breeding probable
Data collected by volunteers for the BTO. Sharrock, J.T.R., (1977). The Atlas of Breeding Birds in Britain and Ireland. T. & A.D. Poyser.
