Thermoregulation, metabolism and life history of species are affected by body size and shape. Based on specimens of the wood mouse Apodemus sylvaticus that were collected at Doñana National Park in 1978–81 and 2006–07, changes in body mass, body size, and allometry were tested between these periods. Furthermore, data from 1978–81, when more specimens were available, were used to evaluate the sexual dimorphism of adults. This study confirms and extends previous findings on...