A bird beak is the most important resource it has, and every species has one solely designed for survival. Birds use beaks for just about everything: building nests, feeding their young, cleaning ...

You’ll hear the warbler long before you ever see it, however. It has a scratchy, “chittery” song. And its contact call sounds like a moody teenager going meh — a bolshie grunt against the sheer ...

The thinnest beak belongs to the green warbler finch which uses it to probe for insects. The massive, stout beak of the large ground finch enables it to crush big hard seeds. The long pointed beak of ...