古生物学，古无脊椎动物学，软体动物门
一百多年前，一些海员将他们不再需要的鞍背龟丢弃在了伊莎贝拉岛沃尔夫火山附近的班克斯湾。
More than a century ago, it turns out, sailors dumped saddle backed tortoises they did not need into Banks Bay, near Wolf Volcano on Isabela Island.
科考队正在寻找最典型的鞍背龟：龟壳前部像马鞍一样隆起，确保象龟伸出长长的脖子，吃到高大的仙人掌。
The teams were looking for tortoises with the most prominent saddlebacks: shells rising up in front, like saddles, to accommodate the animals' extremely long necks for grazing on tall cactuses.
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