美国国家地理09十大发现:巨蟒 幽灵船残骸(4)
7.最长蛇 身长超过巴士

最长蛇 身长超过巴士(图片提供:Jason Bourque )
这只生活在6000万年前的爬行动物体重超过一辆汽车。科学家2月表示,最长蛇化石的发现为了解气候变化提供了重要依据。
8.美国三分之一地区面临外来巨蟒入侵威胁

美国三分之一地区面临外来巨蟒入侵威胁(图片提供:Lori Oberhofer, National Park Service )
根据10月公布的一份报告,如果能够在美国野外安家落户并繁衍生息,9条外来巨蟒便可能引发一场生态学灾难。现在,至少已有2条外来巨蟒在佛罗里达州定居。
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