The Puerto Rican emerald (Riccordia maugaeus), or zumbadorcito de Puerto Rico in Spanish, is species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to Puerto Rico.[4][3][5]
^Gill, F.; Donsker, D.; Rasmussen, P., eds. (January 2022). "Hummingbirds". IOC World Bird List. v 12.1. Retrieved January 15, 2022.
^Bündgen, R. and P. F. D. Boesman (2021). Puerto Rican Emerald (Riccordia maugaeus), version 1.1. 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.pureme1.01.1 retrieved July 29, 2022