1. Bird Life International. 2019. Milvus migrans (amended version of 2016 assessment). The IUCN Red List of Threatened Species 2019. Available at https://www.iucnredlist.org/species/22734972/155599376 (1 September 2020).
2. Doña, J., Proctor, H., Serrano, D., Johnson, K. P., Oploo, A. O. V., Huguet-Tapia, J. C., Ascunce, M. S., and Jovani, R. 2019. Feather mites play a role in cleaning host feathers: New insights from DNA metabarcoding and microscopy. Molecular Ecology 28: 203–218.
3. Dubinin, V. B. 1956. Feather mites (analgesoidea). Part III. Family Pterolichidae. Fauna SSSR. Paukoobraznye 6: 1–813. [In Russian]
4. Galloway, T. D., Proctor, H. C., and Mironov, S. V. 2014. Chewing lice (Insecta: Phthiraptera: Amblycera, Ischnocera) and feather mites (Acari: Astigmatina: Analgoidea, Pterolichoidea): ectosymbionts of grassland birds in Canada. Arthropods of Canadian Grasslands 3: 139–188.
5. Gaud, J. and Mouchet, J. 1959. Aacariens plumicoles des oiseaux du Cameroun. V. Pterolichidae. Annales de Parasitologie Humaine et Comparée 34: 493–545, 631–675.