| cryptic speciation in the lesser elaenia elaenia chiriquensis (aves: passeriformes: tyrannidae). | tyrant-flycatchers (tyrannidae) are a taxonomically confusing bird group containing a large degree of cryptic diversity that has only recently begun to be unraveled through the application of acoustic and molecular methods. we investigated all three subspecies of the lesser elaenia, elaenia chiriquensis lawrence, across their range using sound recordings as well as nuclear and mitochondrial markers. we show that two of the three subspecies, the nominate race from southern central america and the ... | 2015 | 26624360 |