The Spread of the Collared Dove in Britain and Ireland

Streptopelia decaocto has the distinction of being the only species (other than feral ones) which is not included in the 1952 Checklist of the Birds of Great Britain and Ireland, but which has now been seen within these islands by all bird-watchers with a mind to do so. This is a measure of the spectacular rate of colonisation. After just ten years with us, the Collared Dove now outnumbers the fam...