Giant Haast's eagle attacking New Zealand moa
John Megahan
CC BY 2.5
<a rel="nofollow" class="external text" href="http://www.plosbiology.org/plosonline/?request=get-document&amp;doi=10.1371%2Fjournal.pbio.0030020">Ancient DNA Tells Story of Giant Eagle Evolution</a>. PLoS Biol 3(1): e20. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1371%2Fjournal.pbio.0030020.g001">10.1371/journal.pbio.0030020.g001</a>