Fringilla coelebs – JI-BINC – Breeding resident and passage migrant
Red = breeding confirmed
Orange = breeding probable
The density of chaffinches estimated for the whole of Britain, was 2,000 or more breeding pairs per occupied 10km square, and the chaffinch was considered to be one of the commonest birds in Britain.
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.