https://www.newscientist.com/article/2283305-female-vampire-bats-groom-each-other-and-share-their-food/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=news
Female vampire bats tend to hang out in groups – but unlike many group-living primates or birds, the colony members groom and share food equally