We must change our diet. The planet can’t support billions of meat-eaters. - David Attenborough

I'm not an animal lover if that means you think things are nice if you can pet them, but I am intoxicated by animals.

Living on the bodies of mammals, oxpeckers manage to get quite a varied diet. A maggot here, a tick there, a little sip of blood, perhaps a little tasty earwax.

You might think that a hornbill would have the most powerful excavation tool of all, but in fact its huge beak is a relatively delicate structure and no use at all as a chisel.