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. 2022. The eBird/Clements checklist of birds of the world: v2022 http://www.birds.cornell.edu/clementschecklist/download, läst 2022-10-26
doi.org
Kirwan, G. M., H. Fry, and P. F. D. Boesman (2022). Blue-breasted Bee-eater (Merops variegatus), version 2.1. In Birds of the World (S. M. Billerman, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.bbbeat2.02.1
hbw.com
del Hoyo, J., Collar, N. & Christie, D.A. (2016). Ethiopian Bee-eater (Merops lafresnayii). I: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (hämtad från http://www.hbw.com/node/467474 2016-07-06).
Jobling, J. A. (2016). Key to Scientific Names in Ornithology. Ur del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (red.) (2016). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. Hämtad från www.hbw.com.
