Physiologus (an ancient Greek book containing stories and tales with moral content about real and mythical animals). Second Century AD, or the end of the Third Century AD, or in the Fourth Century AD:

Bedrosian, Robert, tr. Physiologus for Grownups: Tales from a Medieval Bestiary with Moral Guidance Removed. Long Branch, N.J: Armenian Tradition, 2018.

Cook, Albert Stanburrough, and James Hall Pitman, trs. The Old English Physiologus. New Haven, Connecticut: Yale University Press, 1921.

Physiologus Theobal di Episcopi de Naturis Duodecim Animalium. Deventer, Salland, Overijssel, Netherlands: Richard Paffraet, 1490.