a tale of two siblings: multiple paternity in big brown bats (eptesicus fuscus) demonstrated using microsatellite markers. | in many bat species, the opportunity for sperm competition or other mechanisms of post-copulatory paternity biasing is thought to be great, due to the long delay between copulation and fertilization, demonstrated sperm storage capabilities, and observed promiscuity. we present the results of the first study to assess whether litters of big brown bats (eptesicus fuscus) containing dizygotic twins share the same father. we sampled 26 mother-offspring triads from three colonies in indiana and illin ... | 2006 | 16367843 |