His writings on biology resulted from his research into natural history on and around the island of Lesbos, and have survived in the form of four books, usually known by their Latin names, De anima (On the Soul), Historia animalium (History of Animals), De generatione animalium (Generation of Animals), and De partibus animalium (On the Parts of Animals).
نوشته‌های او دربارهٔ زیست‌شناسی برآمده از پژوهش وی بر روی تاریخ طبیعی جزیره لزبوس و اطراف آن هستند که در چهار کتاب باقی‌مانده‌اند و اغلب با نام‌های لاتینشان شناخته می‌شوند؛ De anima، Historia animalium، De generatione animalium، و De partibus animalium.