The migration of the Gannet: Results of marking in the British Isles

THE ·Object of this paper is to analyse the recovery records, in the case of the Gannet (Sula bassana), of birds ringed in the British Isles under the scheme formerly directed by the Editor of British Birds and now under the auspices of the British Trust for Ornithology. These records constitute the only body of data of this kind relating to the species, although as a matter of historical interes...