Cocks sing all over the world. What animal is it?

Chicken. Mao Zedong's poem "Huanxisha". And Mr. Liu Yazi ""Chixian is hard to know for a long time, monsters dance for a hundred years, and the people are not reunited for 500 million. When the rooster sings, the world is white, ten thousand parties are happy in the sky, and poets prefer to meet. " Between the lines, "cock crows at dawn, cock crows at sunrise". The metaphor of this word is that the people are pushed to reactionary rule and embark on a bright road from a dark society.