It's no secret that there are some pretty amazing mothers who will go to the ends of the Earth for their babies. This post has some of the best ones -- including octopus moms, who literally sacrifice their lives for their little ones.
Some tenacious animal moms have to defend their own from predators -- and do so in spectacular ways. Here are some of the best ones:
1. A giraffe mom protects her calf from a pack of hungry lions by flinging her long legs out in front of her, scaring them away.