Life in the desert is pretty tough, especially when you’re a baby elephant who hasn’t quite grasped how to use that mighty trunk to lap up scarce water. Luckily for adult elephants, they can go for up to 4-5 days without a drink but thirsty calves need water every day. Adults can hoover a mighty 15 liters with their trunks each time, squirting it back into their parched mouths. But calves need to learn this trick by copying the grown-ups, which as this video from the BBC shows is no mean feat.