1982年,美国的生物学教授斯坦雷·坦布尔到毛里求斯做研究工作。他发现,该岛的原始森林随着16世纪欧洲殖民者的进入日渐减少,更奇怪的是岛上的特有树种卡伐利亚树只开花结果,却没有一颗种子发芽。教授翻阅资料,发现可能与岛上特有鸟种———渡渡鸟有关。这种鸟高1米左右,体重可 In 1982, Stanley Tumble, professor of biology in the United States, went to Mauritius for research. He found that the island’s virgin forests had gradually declined with the entry of European colonists of the 16th century, and it was even more strange that the island’s endemic species, Karavalia, only flowered, but none of the seeds germinated. The professor read the data and found that it may be related to the unique bird species on the island, the Dodo. This bird is about 1 meter high and can weigh up to