qT=1&tQ=The South American oilbird earned its name by....&tC=eating ripe, oily nuts from the palm tree.|eating motor oil when it is available.|smelling oily.|coating its feathers in a special oil.&cC=1&fB=The oilbird, found in the northern part of South America, earned its name by eating the ripe, oily nuts from the palm tree. Its extraordinary sense of smell enables it to tell when the fruit is ripe, and only then will it come from the safety of its cave dwelling to feed.<br><br>The oilbird will swallow the palm nut whole and then fly back to the cave to digest it. Part of the nut is regurgitated and used to line the chicks' nest of sticks.