Dr. McGowan and Dr. Marzluff believe that this ability gives crows and their brethren an evolutionary edge.

麦高文和马兹卢夫博士相信，这种能力赋予了乌鸦和它的弟兄们进化的优势。

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McGowan could not say whether the female teacher drank the tainted liquid. He did say the teacher was not harmed.

麦高文未能说明那个女老师是否喝了染毒液体，但他确实说了那个女老师未受到伤害。

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And "crows are very observant birds," adds Kevin McGowan, an ecologist at the Cornell Laboratory of Ornithology who has studied crows for decades.

同时“乌鸦是非常细心的鸟，”Kevin McGowan(康奈尔鸟类学实验室的生态学家，他研究了乌鸦十几年)补充道。

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However, McGowan struggled, posting double-bogeys on the ninth and 10th in a one-over round of 73.

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Soon after, Lynch headed over after McGowan had picked out his team-mate from a set-piece.

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