July 1968 – vol. 61, issue 7–328 As described in the previous issue (Brit. Birds, 61: 277-280), April was exceptional for vagrants from further south in Europe. In contrast, May was less notable in this respect than usual, though there were interesting records throughout the month with no concentration in any particular period. A Purple Heron Ardea purpurea at Donna Nook (Lincolnshire) on n t h and a series of observations at Min... This article is only available to subscribed users.To read more, please log in or purchase a subscription.