In accord with AOS-SACC (Proposal 781), change the scientific name of Plain-bellied Emerald from Amazilia leucogaster to Chrysuronia leucogaster, based on genetic evidence (McGuire et al. 2014) that Plain-bellied Emerald belongs to a disparate group of species for which the oldest available genus name is Chrysuronia (Stiles et al. 2017a, b).
Clements, J. F., T. S. Schulenberg, M. J. Iliff, S. M. Billerman, T. A. Fredericks, J. A. Gerbracht, D. Lepage, B. L. Sullivan, and C. L. Wood. 2021. The eBird/Clements checklist of Birds of the World: v2021. Downloaded from https://www.birds.cornell.edu/clementschecklist/download/ (連結)