Letters

01 September 1989
Comments Letters The identification of large terns. The paper on the 'Identification of large terns' (Brit. Birds 80: 257-276) gave the impression (fig. 2) that Royal Tern Sterna maxima has an almost blood-red bill, not especially dissimilar from that of Caspian S. cas...
Read More

Letters

01 March 1959
Comments Letters "SUB-SONG" AND "SECONDARY SONG" SIRS,---With regard to the paper by Miss P. M. Piicher and myself on "The nature of sub-song" (antea, vol. li, pp. 509-514), I very much regret to find that we were incorrect in stating that the term "sub-song" was used by ...
Read More

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

Subscribe Now