Majjhima Nikaya 2:56
SUJATOPuna caparaṁ, bhikkhave, bhikkhu seyyathāpi passeyya sarīraṁ sivathikāya chaḍḍitaṁ kākehi vā khajjamānaṁ kulalehi vā khajjamānaṁ gijjhehi vā khajjamānaṁ kaṅkehi vā khajjamānaṁ sunakhehi vā khajjamānaṁ byagghehi vā khajjamānaṁ dīpīhi vā khajjamānaṁ siṅgālehi vā khajjamānaṁ vividhehi vā pāṇakajātehi khajjamānaṁ.
Furthermore, suppose they were to see a corpse discarded in a charnel ground being devoured by crows, hawks, vultures, herons, hounds, tigers, leopards, jackals, and many kinds of little creatures.