A list of the bird richness of La Sierra Llorona, province of Colón, is presented between October 2019 and February 2020. The study was conducted in open access areas such as roads and public roads, and wooded areas of private land. For this study, the generalized search method was used, with a total of 20 samples, with an effort of 240 total hours, spread over 180 hours a day and 60 hours at night. A total of 119 species, 37 families and 18 orders were recorded, with Passeriformes with 66 species and 15 families being the most representative taxon. Resident birds with 90 species outperformed migratory birds with 29 species. In addition, 24 important species were recorded in conservation, according to the lists submitted by the Ministry of Environment of Panama and the IUCN being Accipitriformes, Apodiformes and Galliformes the most representative orders.