April 2003 – vol. 96, issue 4, pp 199–202 Although I have given my views on this matter previously in this journal (Brit. Birds 93: 501504), I cannot, and believe I ought not, refrain from expressing my sorrow and complete disappointment with the attitude taken by the nine authors of the article on the population status of birds in the UK (Gregory et al. 2002: Brit. Birds 95: 410-448) towards introduced species, in particular Mandarin Duc... This article is only available to registered users.To read more, please log in or purchase a subscription.