What is "hookbill"

n. Any of various parrots with a hooked bill for climbing and for crushing nuts and seeds.

Hookbill could refer to

• the avicultural term for members of the parrot family (typically anything larger than a parakeet) based on the curved shape of the bill, distinguishing them from softbills and other birds such as doves and finches
• Lanaʻi hookbill (Dysmorodrepanis munroi) an extinct Hawaiian finch
• The chestnut-winged hookbill (Ancistrops strigilatus), of western Amazonia