Letter

01 April 1981
Comments Letters Tail shape of Bulwer's Petrel M. R. Alibone commented on the apparent lack of wedge shape to the tail of Bulwer's Petrel Bulweria bulwerii {Brit, Birds 73: 217). In April 1971, I saw several Bulwer's Petrels off the bulge of Africa in the vicin...
Read More

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 Very little has been published on the subject and no doubt a good many unpublished records, especially those made on voyages, are in existen...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now