February 1956 – vol. 49, issue 2–73 T H E purpose of this paper is to analyse the recovery records of birds of species of " c h a t s " ringed in the British Isles under the scheme now managed by the Bird-Ringing Committee of the British Trust for Ornithology and earlier by the late H . F . Witherby, Editor of British Birds. The group is for this purpose taken as comprising the genera Oenanthe, Saxicola and Phoenicurus. The number of ... This article is only available to registered users.To read more, please log in or purchase a subscription.