The coral's stinging armoury isn't used only for collecting food; they also use it to fight. As has been discovered only comparatively recently, cora… - David Attenborough

I often get letters, quite frequently, from people who say how they like the programmes a lot, but I never give credit to the almighty power that created nature. To which I reply and say, "Well, it's funny that the people, when they say that this is evidence of the Almighty, always quote beautiful things. They always quote orchids and hummingbirds and butterflies and roses." But I always have to think too of a little boy sitting on the banks of a river in west Africa who has a worm boring through his eyeball, turning him blind before he's five years old. And I reply and say, "Well, presumably the God you speak about created the worm as well," and now, I find that baffling to credit a merciful God with that action. And therefore it seems to me safer to show things that I know to be truth, truthful and factual, and allow people to make up their own minds about the moralities of this thing, or indeed the theology of this thing.

[African Rift Valley soda lakes]. Steaming-hot water comes from volcanic springs and is so loaded with soda that around the margins of the lake it solidifies into white curds. Yet flamingos come here in thousands. [...] The fact that so few creatures can tolerate these conditions means that any animal that can, has the place to itself and so can proliferate in vast numbers.

Each [pelican] has already survived many perils in its young life. As a chick, it fought battles with its brothers and sisters and won.