Counts of wood pigeons (Columba palumbus) and stock doves (C. oenas) taken from a train during 2 journeys between Berkshire and Devonshire, England, showed the latter to be more abundant. The average number of both species was 1.5 birds per mile, although in the Wiltshire uplands the number rose to 5. Stock doves tended to be most abundant in the high open chalklands with their rough pasture and patches of woodland, while the wood pigeon preferred more wooded country. In only 1 of the 6 sections of the route were the differences between the 2 trips in number of birds observed, statistically significant, so it is suggested that the method may be useful in showing regional changes in abundance of other conspicuous spp.