博士卢卡奇表示：“所有获奖者都致力于改善空气质量。”
"All honorees commit to improving air quality," said Dr. Lucica.
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。
Dr. McGowan and Dr. Marzluff believe that this ability gives crows and their brethren an evolutionary edge.
为了测试鸟儿们对不同面孔的辨识能力，并且不是受衣服、步态和其它个体特征的影响，马兹卢夫博士和两个学生都戴上了橡胶面具。
To test the birds' recognition of faces separately from that of clothing, gait and other individual human characteristics, Dr. Marzluff and two students wore rubber masks.
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