The violet crow (''Corvus violaceus'') is a species of the crow family,

Corvidae Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays, magpies, treepies, choughs, and nutcrackers. In colloquial English, they are known as the crow family or corvids. Currently, 13 ...

, native to

Seram Seram (formerly spelled Ceram; also Seran or Serang) is the largest and main island of Maluku province of Indonesia, despite Ambon Island's historical importance. It is located just north of the smaller Ambon Island and a few other adjacent is ...

, an island in Indonesia. It was long considered a subspecies of the slender-billed crow but has been shown to be divergent genetically. Violet crows have a dark black head and slightly blue black body and have a slightly shorter bill than most other crow species.

References

http://www.hbw.com/species/violet-crow-corvus-violaceus Corvus Birds described in 1850 Taxa named by Charles Lucien Bonaparte {{Corvidae-stub