This bird is very similar to the black guillemot except that the under surfaces of the wings are dark.
A name on our northern coasts for the black guillemot (Uria grille).
The dovekie, or black guillemot (Uria grylle), breeds in great numbers in the Orkney islands.
On June 20th the doctor and I shot one black guillemot each.
The bird differs from the black guillemot only in having the bases of the coverts white also.
This bird is very similar to the black guillemot except that the under-surfaces of the wings are dark.
But in the case of the black guillemot, I question if this be its true explanation.
The black guillemot retires to its breeding-stations in May.
In winter the plumage of the black guillemot changes to a speckled grey colour.