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如何看鹰嘴龟的年龄
更新时间: 2020-07-01 00:00:00  

鹰嘴龟的年龄计算方法,一般以龟背甲盾片上的同心环纹的多少来推算,每一圈代表一个生长周期,即一年。盾片上的同心环纹多少,然后再加1即是龟的年龄。这种方法只有龟背甲同心环纹清楚时,方能计算比较准确,对于年老龟或同心环纹模糊不清的龟,只能估计推算出它的大概年龄。

鹰嘴龟背甲长150毫米左右,长椭圆形。龟壳扁平,头大尾长,不能缩入壳内。背甲棕黄、暗褐或栗色,腹甲生活时带橘黄色;尾长,几乎与体长相等。趾间有半蹼,既利于陆地爬行,又便于水中游泳。水陆两栖,喜欢生活在满是巨砾和碎石的,水流

关键词: 如何 鹰嘴 年龄

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