Ἄγραι

From LSJ

λίγεια μινύρεται θαμίζουσα μάλιστ' ἀηδών → the sweet-voiced nightingale mourns constantly, the sweet-voiced nightingale most loves to warble

Source

Spanish (DGE)

v. Ἄγρα.

Russian (Dvoretsky)

Ἄγραι: αἱ Plut. = Ἄγρα.