澳大利亚发现一种奇异的蜥蜴

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澳大利亚动物学家在昆士兰州的原始森林里发现了一种颈部长有薄膜的奇异蜥蜴.这种身长约1米的蜥蜴外形的最大特点是遇敌时颈膜会如伞般地撑开,同时露出尖尖牙齿以吓退敌人.而在平时,颈膜也可如伞一样折叠起来.
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