« A Scientist Found A Bird That Hadn’T Been Seen In Half A Century, Then Killed It. Here’S Why ». The Washington Post, 2015. <https://www.washingtonpost.com/news/morning-mix/wp/2015/10/12/a-scientist-found-a-bird-that-hadnt-been-seen-in-half-a-century-then-killed-it-heres-why/?noredirect=on&utm_term=.3c49b95d8d9c>.
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