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.

This article is republished from The Conversation. 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 pair of ...

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Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from the ...