A range extension for the Crescent-faced Antpitta Grallaricula lineifrons (Fomicariidae) in Colombia: A range extension for the Crescent-faced Antpitta Grallaricula lineifrons (Fomicariidae) in Colombia. (2021). Ornitología Colombiana, 3, 81-83. https://revistas.ornitologiacolombiana.com/index.php/roc/article/view/61