Espinosa, A., S. Aravena, H. Sandoval, N. Ojeda, and M. Ángel Herrera. “Feeding Habitat of the Magellanic Woodpecker (Campephilus Magellanicus) across Forest Ecosystems at Nahuelbuta National Park, La Araucanía Region, Chile”. Revista Bosque, vol. 37, no. 2, May 2017, pp. 347-58, https://www.revistabosque.org/index.php/bosque/article/view/481.