Music makes the world go round. Even in the animal kingdom, the birds, beasts and bees all sing. While we might be humming along to a Billy Bragg tune in the pub or having a singalong in the car ...

If you've ever been around chickens, you know they're usually relatively quiet. You might hear some squawking and bickering within the brood, but it's not constant noise like some animals make. But ...

When it comes to natural talent, vocal birds are where it's at. As animals, we probably underestimate (and shouldn't) that their intelligence and vocabularies keep evolving in the most impressive ways ...