Kistler, E. and T. S. Schulenberg (2020). Snowcap (Microchera albocoronata), 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.snowca1.01 retrieved August 28, 2022