June 2009 – vol. 102, issue 6, pp 348–349 One of the most widely recognised impacts of climate change concerns the phenology of biological events. Since birds tend to time their breeding to coincide with peaks in food availability, climate change has the potential to disrupt this match. Christiaan Both and Marcel Visser, studying Pied Flycatchers Ficedula hypoleuca and Great Tits Parus major breeding in oak Quercus woodland in the Netherl... This article is only available to subscribed users.To read more, please log in or purchase a subscription.