ἰδιογενής
From LSJ
ὅσα ἦν νενοσσευμένα ὀρνίθων γένεα → as many species of birds as had their nests, all the other kinds of birds which had been hatched
English (LSJ)
ές,
A mating only with its kind, opp. κοινογενής, Pl.Plt.265e. 2 peculiar in kind, Herm. ap.Stob.1.49.44, Dsc.2.66.
German (Pape)
[Seite 1236] ές, von eigener, besonderer Gattung; im Ggstz von κοινογενής, φύσις, Plat. Polit. 265 e; Hermes Stob. ecl. ph. 1, 938.