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The northern nutcracker (Nucifraga caryocatactes), previously known as spotted nutcracker and Eurasian nutcracker, is a passerine bird in the crow family Corvidae.

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 scientific name is a reduplication; nucifraga is a Neo-Latin translation of German Nussbrecher, "nut-breaker" based on Latin nucis "nut", and frangere "to shatter".
And caryocatactes based on Greek: karuon "nut", and kataseio "to shatter".

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".