01 January 1979
Comments Notes Success of artificial island nest-sites for divers  The breeding success of divers Gavia in south mainland Argyll has been very poor For some years (e.g. one young from eight pairs): too low to ensure maintenance of the populatio...
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The vocabulary of the Great Tit

01 October 1961
Comments Main paper T H E V O C A B U L A R Y of the Great Tit (Parus major) is notorious for its variety. Nicholson (1936) remarked that "a proper description of the Great Tit's language would almost require a book to itself, for no other British bird uses such a wide varie...
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