Martin Hughes-Games presents the hawfinch.
Tweet of the Day is a series of fascinating stories about our British birds inspired by their calls and songs.
Martin Hughes-Games presents the Hawfinch. The Hawfinch is a large thickset finch with a massive bill. It uses this to crack open hawthorn and cherry stones as well as hornbeam seeds to get at the soft kernels inside. In doing so, it exerts a force of around 180 pounds per square inch.