an Entity references as follows:
The Stymphalian birds (/stɪmˈfeɪliən/ stim-FAY-lee-ən; Ancient Greek: Στυμφαλίδες ὄρνιθες, Modern transliteration Stymfalídes Órnithes) are a group of voracious birds in Greek mythology. The birds' appellation is derived from their dwelling in a swamp in Stymphalia.