ὀξυόρυγχος

From LSJ

κέρκος τῇ ἀλώπεκι μαρτυρεῖ → you can tell a fox by its tail, small traits give the clue to the character of a person

Source

German (Pape)

[Seite 353] = ὀξύρυγχος, Hesiod. bei Ath. III, 116 a.