Song divergence and a gleaming white iris reveal four species in a widespread Neotropical understory bird (Clibanornis rubiginosus, Furnariidae)
Juan Carlos Villamizar, Andrés M. Cuervo
The paper uses song analysis to identify four species within the Ruddy Foliage-gleaner complex, revealing paraphyly and taxonomic splits.
bioRxiv · Aug 25, 2026 · PreprintZoology