Animal behaviour: Fruit-bat fellatio Nature 462, 14 (2009). doi:10.1038/462014b PLoS One4, e7595 (2009) 10.1371/journal.pone.0007595Libiao Zhang of Guangdong Entomological Institute in China and his colleagues have documented what may be the first case of regular fellatio in adult animals other than humans.They report that female short-nosed fruit bats