A female vampire bat has adopted an orphaned baby bat and begun nursing it after creating a close social bond with the baby’s mother before she died
Source:
https://www.newscientist.com/article/2267108-vampire-bat-adopts-orphan-baby-bat-after-untimely-death-of-its-mother/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home