This is the wonderful proboscis monkey. I love visiting them in Borneo. They have two stomachs which are full of gas in order to digest the poisonous leaves which they eat. The poison from the leaves used to be used in blowpipes. These fantastic animals only live in Borneo. People have tried to keep them in zoos, but they get depressed and won’t eat. Their habitat is being destroyed at an alarming rate as the mangrove swamps are ripped up to plant palm oil. They are highly endangered as a result.