New distributional records for the Black-and-chestnut Eagle (Spizaetus isidori) and the Black Hawk-Eagle (S. tyrannus) for Colombia, with notes for field identification: New distributional records for the Black-and-chestnut Eagle (Spizaetus isidori) and the Black Hawk-Eagle (S. tyrannus) for Colombia, with notes for field identification. (2021). Ornitología Colombiana, 7, 66-74. https://revistas.ornitologiacolombiana.com/index.php/roc/article/view/189