The full citation:
Toews, D.P.L., A. Brelsford, and D.E. Irwin. 2014. Isotopic variation across the Audubon’s–myrtle warbler hybrid zone. Journal of Evolutionary Biology 27: 1179-1191.  Link
The full citation:
Toews, D.P.L., A. Brelsford, and D.E. Irwin. 2014. Isotopic variation across the Audubon’s–myrtle warbler hybrid zone. Journal of Evolutionary Biology 27: 1179-1191.  Link