Complex speciation, involving rapid divergence and multiple bouts of post-divergence gene
flow, can obfuscate phylogenetic relationships and species limits. In North America, cases of …

We announce the assembly of the first de novo reference genome for the California Scrub-
Jay (Aphelocoma californica). The genus Aphelocoma comprises four currently recognized …

Abstract Prinias (Cisticolidae: Prinia) are resident warblers of open areas across Africa and
Asia and include many polytypic species whose species limits have not been seriously …

Individuals in the contact zone between hybridizing species often exhibit intermediate
phenotypes that vary smoothly in a clinal fashion from one species to the other. However …

Lodgepole and jack pine form a mosaic hybrid zone in western Canada. Introgression
occurs between lodgepole and jack pine through this hybrid zone by repeated backcrossing …