This bird, native to Europe, Africa, and Asia is famous for both its spectacular crest and its long, very sharp, slender beak. Though it is rather earth-toned in cinnamon browns, dark browns ...

Its beak is covered in layers of keratin ... Warblers, gnatcatchers and wrens have slender, tweezerlike bills fit for plucking unsuspecting insects off leaves and tree branches with precision.