The penan tribe are the last of nomadic people living in the tropical rainforest in sarawak- malaysia. Well-known as hunter-gather tribe, they move the camp frequently in search of wild boar, barking deer and other small animals such as squirrels and lizards, those animals are killed with blowpipes (keleput) made from hardwood and darts laced with tajem, a poison extracted from the milky latex of a tree, which interferes with the functioning of the heart.