April 1968 – vol. 61, issue 4, pp 160–162 On the evening of 12th June 1967, on Cape Clear Island, Co. Cork, I was sitting on top of a steep ridge overlooking Cummer, a narrow col situated between the north and south harbours. The soft evening light was directly behind me and it was perfectly calm. I was casually watching five or six Swallows Hirundo rustica, a House Martin Delichon urbica and five Swifts Apus apus which were hawking for i... This article is only available to registered users.To read more, please log in or purchase a subscription.