February 2010 – vol. 103, issue 2, pp 121–123 The recent paper by Richard Broughton (Brit. Birds 102: 604-616) summarised a welcome analysis of the relative importance of the various criteria used to separate Willow Poecile montana and Marsh Tits P. palustris. We consider, however, that the con- clusion drawn by some of that paper's readers may be too pessimistic. Positive field identification of those two species may be challenging, but it is... This article is only available to registered users.To read more, please log in or purchase a subscription.