last time i checked, i was an omnivore - and so is the majority of the worlds population. people require particular sustinance to survive - unfortunately, it's at the expense of a life.
I like tree's, but i need lumber for my house.
Reptiles eat other mammals and bugs.
Bear Grylls isn't illegally killing animals, he is hunting and not wasting. he eats them. He's demonstrating survival skills. Get over it.
If you don't like the graphic nature, don't watch - and if you don't agree with him eating animals, i suggest you take up your complaint with human creation, because we're designed to eat meat. Stop being so 'precious'...