Experimental Demonstration of the Fitness Consequences of an Introduced Parasite of Darwin's Finches Koop, Jennifer A. H. ; Huber, Sarah K. ; Laverty, Sean M. ; Clayton, Dale H. Abstract Publication: PLoS ONE Pub Date: May 2011 DOI: 10.1371/journal.pone.0019706 Bibcode: 2011PLoSO...619706K