鸡,是十二生肖中唯一的禽类。我们今天熟悉的鸡,一般称作家鸡,在动物学上属于鸡形目、雉科、原鸡属。家鸡是世界上数量最多的鸟类,它的祖先是原产于亚洲南部,西起印度、东到中国的广大地域的原鸡。家鸡的驯化大约在4000年前,在华南的很多地方,野生原鸡还经常混入家鸡群,和家鸡交配后孵化的幼鸡和野生原鸡几无差别,可见两者之间亲缘很近。而中国作为它的驯化地之一,以生肖的形式加以纪念,的确是名副其 Chicken, is the only zodiac in the zodiac. The chickens we are familiar with today are generally called domestic chickens and belong to the genus Chick, Zygophyllum and Genus in zoology. Chicken is the largest bird in the world. Its ancestors are primitive chickens native to southern Asia, west of India and east of China. Domestication of chickens around 4000 years ago, in many parts of southern China, the wild chickens often mixed with domestic flocks, chickens and wild chickens hatched after mating chickens no difference between the few, showing that the relationship between the two is very near. China, as one of its domestication sites, commemorated in the form of a zodiac, is indeed a