Add Yahoo as a preferred source to see more of our stories on Google. Ask any parent – welcoming a new baby to the family is exciting, but it comes with a lot of work. And when the new addition is a ...

Being a mother is a tremendous accomplishment and one of the most challenging jobs in the world. This applies even in the animal kingdom, where it can be a literal dog-eat-dog world for many species.

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Can animals give birth to twins? – Mia C., age ...