The animal kingdom is a scary place. Sometimes not even your Mom can be trusted.
When a new male takes over a pride, the lionesses will allow him to kill any cubs of less than 2 years to stop any future rivals from challenging him for the pride. Gee way to have your priorities straight, Mom.
The female cuckoo bird purposefully lays her eggs in other birds’ nests so they’ll raise her kids while she goes galavanting around the countryside.