They do this in the pursuit of earth worms which they catch and devour using their specially adapted mouths which contain rows of tiny, rasp-like teeth.
यसै व्यावसायलाई बढाउँछु बिदेश फर्किन्न उनले भने घरमै परिवारसँग बसेर सुन फलाउन सकिदो रहेछ किन बिदेश जानु ।