PHYLOGEOGRAPHY OF THE MALLARD (ANAS PLATYRHYNCHOS): HYBRIDIZATION, DISPERSAL, AND LINEAGE SORTING CONTRIBUTE TO COMPLEX GEOGRAPHIC STRUCTURE
Irina V Kulikova, Sergei V Drovetski, Daniel D Gibson, Ryan J Harrigan, Sievert Rohwer, Michael D Sorenson, Kevin Winker, Yuri N Zhuravlev and Kevin G McCracken