Five birds share the name grosbeak and sport thick bills—but the similarities stop there. Look for these colorful fliers ...

A bird beak is the most important resource it has, and every species has one solely designed for survival. Birds use beaks ...

The beaks of albatrosses and penguins, compared to other, “normal” beaks (examples shown of a petrel and a gull) and a bird with a tactile bill-tip organ (a tinamou, close relative of ...