'Butterbutt' warbler is likely three different species, DNA reveals
Thursday, August 25, 2016 - 09:01
in Biology & Nature
One of North America's most beloved songbirds – the yellow-rumped warbler – may need to be considered at least three separate species, says a study published Aug. 24 in The Auk. This discovery contradicts how ornithologists classified the bird for almost five decades.