To some, the arched snout and horns of skeletal Ice Age woolly rhinoceroses suggested not a vast land mammal, but the beak and claws of a giant bird.

• 对于某些人来说，冰河世纪毛犀牛的拱鼻和角并不意味着这种大型陆地哺乳动物，却是巨型鸟类的喙和爪。