This bird will out-dance you, because it has a built-in tutu

Birds-of-paradise are known for their extravagant courtship displays, but the parotia may be the best of them all

Only humans would invent ballet, with its lithe dance moves and slightly bizarre tutus - right?

Wrong. Parotias, a kind of bird-of-paradise from New Guina, got there long before us. Watch the video above to see one in action.