Clements, J. F., T. S. Schulenberg, M. J. Iliff, D. Roberson, T. A. Fredericks, B. L. Sullivan, and C. L. Wood (2021) The eBird/Clements checklist of birds of the world: Version 2021 http://www.birds.cornell.edu/clementschecklist/download, läst 2022-08-23
doi.org
Tello, J. (2020). Yellow-throated Spadebill (Platyrinchus flavigularis), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.yetspa1.01
