One New Caledonian crow, called Betty, bent some straight wire into a hook and used it to lift a small bucket of her favourite food from a vertical pipe.

一只名叫贝蒂的新喀里多尼亚乌鸦把一根笔直的铁丝咬成一个弯钩，用它把一小桶她最喜欢吃的食物从一根垂直的管子里吊了出来。

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Crow pulls out wire and begins bending it against a rock into a hook shape.

乌鸦取出铁线，靠在岩石边上把铁线弄弯。

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I made a hook from a wire coathanger and carefully fastened it to a weighted line.

我用金属衣架做了一个钩子，小心翼翼地把它系到一根加重的绳子上。

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And in fact, you can take the wire, the electrode, and hook it up to a lever and teach the rat how to push the lever and give itself a little burst of pleasure.

事实上可以把电线，电极，连接到一个杠杆上，教老鼠,推动杠杆获得快感。

耶鲁公开课 - 死亡课程节选

You can even use an old-fashioned wire to hook them up to less-portable devices a desktop computer or CD player, for example.

WSJ: Big Sound, Wire-Free: Audyssey Bluetooth Speakers | Geek Chic

On top of all this they were able, in a different sort of test, to bend a piece of wire into a hook to retrieve a bucket containing a waxworm.

ECONOMIST: Tool use by non-tool-using animals