Diversity, Volume 11, Issue 9 (September 2019) – 33 articles
Cover Story (view full-size image): We combined anatomical and genomic data to resolve the contentious phylogenetic relationships among Strisores, a clade of birds that includes the nocturnal nightjars, oilbirds, potoos, and frogmouths, along with the diurnal swifts and hummingbirds. Our findings add to a growing body of evidence suggesting that nightjars represent the extant sister group to all other strisoreans. Based on our results, we infer that the fruit-eating Oilbird and perch-hunting frogmouths (the skull of which is illustrated here) evolved from ancestors that hunted insects on the wing—a hypothesis supported by the novel phylogenetic placements recovered for some fossil strisoreans in our analyses. View this paper.
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