From familiar garden visitors to countryside characters you’ll hear long before you see, here are eight of the noisiest birds in the UK.

Crucial to tolerance is the pecten oculi, a part of the bird's eye discovered in the late 17th century. This structure, which sits next to the retina, is packed with blood vessels – but before now, it ...

A baby's babbling may sound like nonsense, but it's actually an extended act of trial-and-error learning. As babies produce ...