The genus Nucifraga also known as nutcracker include four species of passerine birds in the family Corvidae, related to the jays and crows.

Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, magpies, jackdaws, jays, treepies, choughs, and nutcrackers.

Corvidae, Corvina ( Coracina), corvina Latin corvinus raven-like, raven-black (corvus raven).
The genus name Nucifraga is a Neo-Latin translation of an old German name Nussbrecher, "nut-breaker".