Dowsett-Lemaire, F, Limbert, M, Dowsett, R. J & Jones, C. G / April 1979 – vol. 72, issue 4, pp 189–190 Birds dunking food There are many references in the literature to birds washing food; they cover about six families and almost all are for water birds. Although termed 'food washing', the behaviour described may fulfil several functions. During the last few years, I have observed this behaviour by injured juvenile Grey Herons Ardea cinerea in my care. Food items were often picked up and purposefu... This article is only available to registered users.To read more, please log in or purchase a subscription.