Gigantoraptor had long arms, bird-like legs, a toothless jaw, and probably a beak.There are no clear signs as to whether it was feathered.
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北京古脊椎动物与古人类研究所徐星研究员推测:巨盗龙有长臂,似鸟(形状的)蛋,无齿的下颚以及可能有喙。
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