September 1954 – vol. 47, issue 9–307 O N February 13th, 1954, an adult Herring Gull (Larus argentatus) was found at the edge of Blagdon lake, north Somerset, unable to fly and gaping continuously. It was kept in captivity, but died the following day after being forcibly fed with sardine. A detailed post mortem was performed 24 hours later. The gull was an adult female in summer plumage weighing 720 g m . with massive subcutaneous and... This article is only available to registered users.To read more, please log in or purchase a subscription.