January 2012 – vol. 105, issue 1, pp 11–22 Abstract A male Falcated Duck Anas falcata in Devon in winter 2006/07 was a subject of much debate in terms of the bird’s age. Research on the subject involving the study of captive birds and museum specimens concluded that the Devon bird was a first-winter male.The wider results of that research, concerning the moult and ageing of this species in autumn, are presented in this paper. ... This article is only available to registered users.To read more, please log in or purchase a subscription.