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Letters

01 March 1952 Comments Letters SIRS,--We are hoping to collate information about visible migration over, and on the shores of, the Mediterranean. Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...

Visible migration at Land's End

01 March 1952 Comments Main paper THE study of visible migration, initiated by Eagle Clarke (1912), has received a new impetus in the last few years. In October, many Sky-Larks (Alauda arvensis), Chaffinches (Fringilla caslebs) and Starlings (Sturnus vulgaris), with smaller numbers of oth...

Notes on the spring Territory of the Blackbird

01 August 1941 Comments Main paper study was made on the Dartington Hall estate, South Devon, in 1940, when the abnormal cold weather in late January and early February made possible the trapping and colour-ringing of an unusually large number of Blackbirds (Turdus m. tnerula). Unfortunate...

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Letters

Visible migration at Land's End

Notes on the spring Territory of the Blackbird

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