Schulenberg, T. S. and C. W. Sedgwick (2020). Black-hooded Sunbeam (Aglaeactis pamela), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.blhsun1.01 retrieved 26 April 2022