Original ResearchPublished 6 February 2026Differential morphology and distribution of GFAP astrocytes in vocal brain circuit in a songbird Southern house wren and humansSantiago Hinestroza-Morales · Carolina López-Murillo · Hernán Hoyos-Maya · Geysson J. Fernandez · Andrés Villegas-Lanau · Hector Fabio Rivera-Gutierrez · Rafael Posada-DuqueFrontiers in Neuroanatomydoi 10.3389/fnana.2026.1606172