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THE GREAT BLACK-BACKED GULL {Larus marinus). 

 April the 18th and 25th, Herts, passing north. 



THE LESSER BLACK-BACKED GULL {Larus fuscus). 



April the 17th, Kent, flock of adults. One pair remained and nested 

 there for the first time. 



THE GREAT CRESTED GREBE (Podicijm cristatus). 



March the 15th, 16th and 18th, Berks, two pairs. March the 23rd, 

 Berks, three pairs. March the 24th, Herts, many. March the 28th, 

 Berks, four pairs. 



