Ancient hybridization and an Irish origin for the modern polar bear matriline

Ceiridwen J. Edwards, Marc A. Suchard, Philippe Lemey, John J Welch, Ian Barnes, Tara L. Fulton, Ross Barnett, Tamsin C O'Connell, Peter Coxon, Nigel Monaghan, Cristina E Valdiosera, Eline Lorenzen, Eske Willerslev, Gennady F. Baryshnikov, Andrew Rambaut, Mark G. Thomas, Daniel G. Bradley, Beth Shapiro