Sánchez-Mercado, Ada, Rodríguez-Clark, Kathryn M., Miranda, Jhonathan, Ferrer-Paris, José Rafael, Coyle, Brian, Toro, Samuel, Cardozo-Urdaneta, Arlene, and Braun, Michael J. 2018. "How to deal with ground truthing affected by human-induced habitat change?: Identifying high-quality habitats for the Critically Endangered Red Siskin." Ecology and Evolution, 8, (2) 841–851. https://doi.org/10.1002/ece3.3628.