Genomic variation across two barn swallow hybrid zones reveals traits associated with divergence in sympatry and allopatry.
Scordato ESC, Wilkins MR, Semenov G, Rubtsov AS, Kane NC, Safran RJ. Genomic variation across two barn swallow hybrid zones reveals traits associated with divergence in sympatry and allopatry. Mol Ecol. 2017 Oct; 26(20):5676-5691.