W e are impressed by big things; dinosaurs, whales, rhinos, super-tankers, skyscrapers. Mention mystery apes to the man in the street and he will imaginebipedal hairy giants, 10ft tall. Indeed most reports of such things speak ofmassive animals; the yeti, the yeren, the sasquatch, and the yowie. But forevery bigfoot there is a littlefoot. Stories of little hairy men are widespread - but none are as famous as Sumatra's orang-pendek.