“Evaluation of Relative Abundance and Perception of the Presence of Rock Pigeons Columba Livia (Columbiformes: Columbidae) at the National University of Costa Rica”. Uniciencia 31, no. 1 (January 30, 2017): 29–38. Accessed October 8, 2024. https://www.revistas.una.ac.cr/index.php/uniciencia/article/view/9042.