Are you prepared for Wrath of the Lich King? WoW Insider has you covered!

10 Amazing facts about moms in nature

Never grow up.

Chimpanzees have the longest childhoods (apart from humans), staying with their mothers for up to 7 years. These days human children have been taking longer and longer to leave home -- with more than 50% of adults under 24 still living with mom and dad. In 2006, the phenomenon was so big that it became the premise for a Hollywood movie called "Failure to Launch."
Photo: Getty Images
May 2nd 2008 @ 2:54PM

10 Amazing facts about moms in nature

See all galleries

A long time to be pregnant!
That was quick!
Whoa, big family!
Never grow up.
Got milk?
Male mommies.
That's a lot of kids!
A very...close knit family.
More than one womb?
That's an, um, unique birthing position