HERRERA, N. . Current conservation status of waterbirds in El Salvador. Reality and Reflection, [S. l.], v. 54, n. 54, p. 169–197, 2021. DOI: 10.5377/ryr.v54i54.12074. Disponível em: https://lamjol.info/index.php/RyR/article/view/12074. Acesso em: 3 jul. 2024.