New Caledonian crows are the champion toolmakers of the animal kingdom.

新喀里多尼亚乌鸦是动物王国工具制造者的冠军。

We know this from New Caledonian crows, and we know this from ravens, and from keas, that they are very, very good social learners.

我们是从喀里多尼亚渡鸦那里知道的这一点，我们也从乌鸦和食肉鹦鹉那里知道这一点，它们是非常非常好的社交学习者。

Like New Caledonian crows, different groups use them slightly differently.

就像新喀里多尼亚乌鸦一样，不同群体对它们的使用略有不同。

And some birds use tools—like brainy New Caledonian crows, which can assemble multipart tools to solve puzzle boxes presented to them by researchers.

有些鸟类会使用工具——比如聪明的新喀里多尼亚乌鸦，它们可以组装多部分工具来解决研究人员提供给它们的拼图盒。