- Corvus, Crow - a small quadrilateral constellation in the southern hemisphere near Virgo
--1 is a kind of constellation
- Corvus, genus Corvus - type genus of the Corvidae: crows and ravens
--2 is a kind of bird genus
--2 is a member of Corvidae, family Corvidae
--2 has members:crow; raven, Corvus corax; rook, Corvus frugilegus; jackdaw, daw, Corvus monedula