Extracting phylogenetic signal from phylogenomic data: Higher-level relationships of the nightbirds (Strisores)

A well-resolved phylogeny would facilitate study of adaptation to nocturnality in the avian superorder Strisores, a group that includes both nocturnal and diurnal lineages. Based on previous estimates, it could be hypothesized that there were multiple independent origins of nocturnality in this group. In order to refine the Strisores phylogeny, we generated genome-scale datasets of 2289-4243 ultraconserved elements for 23 taxa representing all...