1. Hybridization and speciation;Abbott;J. Evol. Biol.,2012
2. A flicker of hope: genomic data distinguish northern flicker taxa despite low levels of divergence;Aguillon;Auk: Ornithol. Adv.,2018
3. Extensive hybridization reveals multiple coloration genes underlying a complex plumage phenotype;Aguillon;bioRxiv,2020
4. The north American species of the genus Colaptes, considered with special reference to the relationships of C. auratus and C. cafer;Allen;Bull. Am. Mus. Nat. Hist.,1892
5. Birds (of North America). Pacific Railroad Report Expl. and Surv;Baird,1858