The status and distribution of the Red-throated Diver Gavia stellata in Britain in 1994

The first national survey of breeding Red-throated Divers Gavia stellata in Britain was carried out in 1994. It was based on two visits to all standing freshwater in Shetland and Orkney, and to a sample elsewhere in the species' range in Scotland (Inner and Outer Hebrides and mainland). The survey located an estimated 855 breeding pairs (95% CI 735–990) and 1295 (95% CI 1075–1525) non-breeding adults. About 12% of birds that were recorded as …