Show dental bird the crocodile when it feels the need of the services of a dental hygienist climbs out on the bank of the river in which it makes its home opens its ita huge mouth invitingly and waits in due time a bird known as tho the nile bird comes along sees the job waiting for it and goes to work it hops into the crocodiles mouth and picks I 1 off all the leeches and other foreign forms of life which may be clinging to the tongue and cavity walls walla of the crocodile and then departs the reptile then closes its mouth and with not so much as a thank you slides back into the water to acau accumulate in U another job for another nile bird |