Or in this case, a middle bird.

或者说，在这一事例中，一个中介鸟。

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But a report published March 2nd in the journal Molecular Ecology [not available online as this episode was posted] says mosquitoes didn't need a middleman. Or in this case, a middle bird.

但3月2日《分子生态学》的一篇研究(出这期节目时该研究尚未在线公布)表示蚊子们并不需要中间人，或者说中间鸟来传递病毒接力棒。

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The weaver bird builds a nest that looks like a basket, the nest shaped like a pear with a hole in the middle.

织巢鸟筑了一个篮子一样的巢，巢的形状像一个梨，中间有一个洞。

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Champion Treble Six was crowned Yorkshire Middle Route Performance Bird of the Year in 2007.

BBC: 'Record price' for East Yorkshire pigeon unable to fly

Now I know she was going for the same dopamine rush you get when the fat black bird explodes right in the middle of a stone fortress.

FORBES: What Angry Birds Can Teach Negotiators

He splits the backbone down the middle and bends the bones so that the bird lies flat.

NPR: Recipes: 'Big Sky Cooking'