Do Healthy Monarchs Migrate Farther? Tracking Natal Origins of Parasitized vs. Uninfected Monarch Butterflies Overwintering in Mexico Altizer, Sonia ; Hobson, Keith A. ; Davis, Andrew K. ; De Roode, Jacobus C. ; Wassenaar, Leonard I. Abstract Publication: PLoS ONE Pub Date: November 2015 DOI: 10.1371/journal.pone.0141371 Bibcode: 2015PLoSO..1041371A