What are two different types of bird bills?

Cone Beak: Very strong, used for cracking seeds. Found in many birds such as the Finch.

Long Needle-Like: Found in nectar feeding birds such as, hummingbirds and sunbirds. The length of the bill determines the size of flower the bird can feed on.

Thin, slender, and pointed: Found on mainly insect eating birds. Commonly found on warblers. This beak is used to pick insects off leaves, bark, and twigs.