Since he has his living in the water he keeps his mouth all full within of leeches; and whereas all other birds and beasts fly from him, the trochilus is a creature which is at peace with him, seeing that from her he receives benefit; for the crocodile having come out of the water to the land and then having opened his mouth (this he is wont to do generally towards the West Wind), the trochilus upon that enters into his mouth and swallows down the leeches, and he being benefited is pleased and does no harm to the trochilus.