21![](https://www.pdfsearch.io/img/046fdbc503039dcc364eb128cd5cb345.jpg) | Add to Reading ListSource URL: sticerd.lse.ac.ukLanguage: English - Date: 2009-04-22 12:32:57
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22![Human impacts on the rates of recent, present, and future bird extinctions Stuart Pimm*†, Peter Raven†‡, Alan Peterson§, Çag˘an H. S¸ekerciog˘lu¶, and Paul R. Ehrlich¶ *Nicholas School of the Environment and Human impacts on the rates of recent, present, and future bird extinctions Stuart Pimm*†, Peter Raven†‡, Alan Peterson§, Çag˘an H. S¸ekerciog˘lu¶, and Paul R. Ehrlich¶ *Nicholas School of the Environment and](https://www.pdfsearch.io/img/e4ac3b4ec624ec0efd9f90bdb460a6ae.jpg) | Add to Reading ListSource URL: www.zoonomen.netLanguage: English - Date: 2006-07-07 22:56:31
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23![](/pdf-icon.png) | Add to Reading ListSource URL: ntl.bts.gov- Date: 2014-07-15 09:54:47
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24![Duke Environment at a Glance Who We Are The Nicholas School of the Environment creates knowledge and leaders of consequence for a sustainable future through a new paradigm in research and education: one that attempts to Duke Environment at a Glance Who We Are The Nicholas School of the Environment creates knowledge and leaders of consequence for a sustainable future through a new paradigm in research and education: one that attempts to](https://www.pdfsearch.io/img/b7b3f3f6cb2875143e70fb9edf4cf497.jpg) | Add to Reading ListSource URL: nicholas.duke.eduLanguage: English - Date: 2013-12-05 12:51:44
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25![](https://www.pdfsearch.io/img/72eab9b64a5539783e950ec9b26c8926.jpg) | Add to Reading ListSource URL: nicholasinstitute.duke.eduLanguage: English - Date: 2013-02-14 15:38:12
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