龟是现在常见的爬行动物,品种繁多,有山龟、水龟、海龟、摄龟、宝龟,还有国家一级二级保护动物四爪陆龟、三线闭壳龟等,龟的背腹皆有硬甲,一旦遇险情,头尾四肢都能缩入甲壳内,有效地保护自己。 我国古代神话中,曾将“龙凤麟龟”合称“四灵”,龙能变化,凤知治乱,麒麟仁厚,龟兆吉凶。龟与鹤又被视为长寿瑞祥的仙兽仙禽,“鹤称千代,龟称万年”,总之,在古代人们心目中,实实在在的龟和虚无的龙凤麒麟,都是至高无上的神灵,万年神龟便是灵龟,身价尤高。 据史载,黄帝时代即有龟书传说。大禹治水时,“有黄龙曳尾引导于前,疏通水道,还有玄龟背负青 Turtles are now common reptiles, a wide variety, there are turtles, turtles, turtles, turtles, turtles, as well as the national level two protected animals, four-legged tortoises, turtles and other turtles, tortoise’s back All have hard armor, in case of danger, head and tail can be retracted into the shell, effectively protect themselves. In ancient Chinese mythology, “Dragon and Phoenix Turtle” have been collectively referred to as “the four spirits”, the dragon can change, the Phoenix know chaos, unicorn benevolence, turtle trillion auspicious. Tortoises and cranes have also been regarded as longevity Ruixiang cents animal cents birds, “crane said thousands of generations, turtles million years”, in short, in ancient people’s minds, real turtles and nothing Phoenix, are the supreme gods Ten thousand turtles are turtle, worth particularly high. According to the history of the Yellow Emperor era there is a turtle book legend. Dayu flood control, "Huanglong trailing tail lead in the past, to clear the waterway, as well as mysterious turtle bear green