It is not for nothing that the honey badger has earned the reputation of being the world’s most fearless animal. Despite its small size, this predator is known for its ferocious defence skills ...

Here is why Mr big the unassuming shrew is one of the most fearless ... When asked to name the greatest hunters one would automatically respond with the standard tiger or lion or the crocodile.

That's exactly the ambition/stupidity this fearless lion cub displayed when it leapt on a charging giraffe. The moment was captured in a trailer for new BBC natural history show "Planet Earth II." ...