The keeper of the ‘Bridge of Death’ (Terry Gilliam) made a grave error in not specifying to which breed of swallow his question applied. But authors A. Matsuura, S. Sakuma, M. Irimajiri and K. Hodate from the Department of Animal Science, School of Veterinary Medicine, Kitasato University, Towada, Aomori, Japan, have made no such mistake […]