What is a Species? (Episode 6 - abridged)

This week, Frank and Sammy dive into the weedy world of bird taxonomy! Why did the AOS split the Warbling Vireo into two different species? What is a species? Why are Golden-winged and Blue-winged Warblers still considered separate species even though they hybridize so much? Frank and Sammy answer all of that and more!   AOS article: https://americanornithology.org/lumpers-and-splitters/   Join our Facebook page! https://www.facebook.com/groups/3827116504253422 Listen to the extended version by becoming paid members! Frank the Bird Guy: https://www.patreon.com/frankthebirdguy Birding with Sammy: https://birdingwithsammy.com   Wood Thrush recording by Stanislas Wroza: https://xeno-canto.org/species/Hylocichla-mustelina All other media used under Creative Common License.