An estimate suggests there might be as many as ten million caiman living in the Pantanal.

据估计，大约有1000万只凯门鳄生活在潘塔纳尔。

For comparison, they also added teeth from a modern caiman into the mix.

为了进行对比，他们还加入了现代凯门鳄的牙齿。

The analysis revealed that two of the extinct species were, like the caiman, carnivorous.

分析显示，其中两个灭绝的物种，和凯门鳄一样，是食肉动物。

Without it, all those millions of caimans, the capybara, the jaguar, and especially the giant otter, would struggle to live here.

如果没有它，那些数百万只的凯门鳄，水豚美洲虎，尤其是巨型水獭就只能在这里挣扎着生存。

This caiman isn't closely related to Boverisuchus or the other Planocraniids.

这条凯门鳄与 Boverisuchus 或其他 Planocraniids 没有密切关系。

Some of them still do hunt on land – like one known as the smooth-fronted caiman.

他们中的一些人仍然在陆地上捕猎——比如一种被称为光滑额凯门鳄的动物。

And anything within that order, including modern animals like alligators and caimans, are called crocodilians.

该目中的任何动物， 包括短吻鳄和凯门鳄等现代动物，都被称为鳄鱼。

So researchers think that whatever Boverisuchus descended from probably looked and behaved a lot like today's smooth-fronted caiman.

因此研究人员认为，无论 Boverisuchus 的后代是什么，其外观和行为都可能很像今天的光滑额凯门鳄。

And authorities in southern Poland on Sunday captured a small caiman which was earlier spotted by members of the public swimming in a pond in Wroclaw forest.

波兰南部当局周日捕获了一只小型凯门鳄，早些时候，有人发现这只在弗罗茨瓦夫森林的池塘里游泳的凯门鳄。

They gave a side-by-side comparison of  Pteraichnus to modern caiman tracks and, while they may appear similar at first glance, this was far from the final word on the subject.

他们将 Pteraichnus 与现代凯门鳄的足迹进行了并排比较，虽然乍一看它们可能很相似，但这远非关于这个主题的最终结论。