Mystery photographs

01 November 1983
Comments Main paper The mottles on the neck and breast of this gull (plate 196, repeated here as plate 225) indicate that it is of the large, white-headed-insummer group, not the smaller, dark-hooded group which tend to have clearer head markings, but retain an all-white ...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now