What is the nature balance? A country,there aren't orginally any egrets in a countryside,egrets belong to the Category II of State Special Protected Animals.But one day,or so 10,000 egrets regarded the constryside as their habitat disturb the peaceful life of it ,many conuntryside people consider that it's was a lucky symbol of the culture. As the time passed,egrets lived in the monutains behind the residents's house for a long time predicted a small disaster!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! They got together of a mountain seemed a white mountain,they always fed on the fish or matter small or big in the fishpond brought a great loss for the country!Then crops were spilted and many poultry were dead when eating the food,some people thought the defecate were poisous caused the tragedy! Peole became to drive them away gradually,but there isn't any effects! What do u think of it?