Get your teeth into the nitty-gritty. No fluffy stuff – we want the deadly stuff. Biting. Ripping. Shredding. Pouncing. Warning: stop here if you want snuggly bunnies or teensy-tiny mice. TV wildman Steve takes you straight to the deadly point: killer jaws and claws. Ouch. Tusked terrors. Vampire bats. Polar bears that can slice your head off with one blow. Here are some animals you really do…