Tracking post-hibernation behavior and early migration does not reveal the expected sex-differences in a "female-migrating" bat.
Long-distance migration is a rare phenomenon in European bats.Genetic analyses and banding studies show that females can cover distances of up to 1,600 km, whereas males are sedentary or migrate only short distances.The onset of this sex-biased migration is supposed to occur shortly after rousing from hibernation and when the females are already pr