It’s not the men who rule the world. It’s the Mothers. This is the story of nature's greatest mums. From the cheetah with six hungry new-born cubs in the Maasai Mara, to the tiny poison dart frog who has to piggyback her babies to safety in the jungles of Costa Rica, each mum has her own battles to fight. But all have one thing in common – they’ll do anything to protect their babies. Mother Nature is an immersive and intimate portrait of the lives of animal mothers big and small and the unique challenges they face in looking after their offspring.