δρεπανίς
From LSJ
Μὴ κρῖν' ὁρῶν τὸ κάλλος, ἀλλὰ τὸν τρόπον → Mores in arbitrando, non faciem vide → Nach dem Charakter, nicht nach Schönheit urteile
English (LSJ)
ίδος, ἡ (also δραπενίς Hsch.), a kind of
A bird, so called from the shape of its wings, prob. the Alpine swift, Cypselus melba, Arist.HA487b27; = κεγχρίς (κέγχρος cod.), Hsch.