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如何区分水龟于旱龟
更新时间： 2020-07-01 00:00:00  

1、旱龟的特征：一般都有高拱的背壳，也有些例外地背壳扁平。皮肤表面干燥，前腿粗大而钝圆，后腿如象脚，具短趾，趾间无蹼，行动比较缓慢。背、腹面有甲板，躯干部的脊椎骨、胸骨、肋骨与甲板愈合。甲板上覆角质鳞板。无牙。颌部形成坚硬的喙。多数种类的头和腿能缩入壳内以获保护。隐颈龟亚目的隐颈龟可将头向后缩入壳内；侧颈龟亚目的侧颈龟可将颈弯向一侧。

2、水龟：别名黄喉拟水龟，甲长大约15到20厘米，头小，头顶平滑，橄榄绿色，上喙正中凹陷，鼓膜清晰，头侧有两条黄色 线纹穿过眼部，喉部淡黄色。背甲扁平，棕

关键词： 如何 区分

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