Reade, W, Kent, A. K, Richards, G. A, Alder, L. P, Davis, T. A. W, Campbell, B, Alder, L. P, Campbell, B & Davis, T. A. W / January 1964 – vol. 57, issue 1–34 Fulmar incubating eggs of Herring Gull with its own.--On 27th May 1963 I was walking along a cliff top four miles south of Ballantrae, Ayrshire, when I surprised a Fulmar Fulmarus glacialis off its nest. As it flew, a brown egg rolled out and smashed on the rocks below. I then found that two eggs still remained in the nest, one the Fulmar's and the other that of a Herring Gull~Larusargentatus, and ... This article is only available to registered users.To read more, please log in or purchase a subscription.