https://forum.inaturalist.org/t/does-anyone-else-get-bothered-by-how-many-observations-are-marked-as-unknown-species/31896
https://forum.inaturalist.org/t/identifying-taxa-just-to-remove-them-from-unknown/33749
https://forum.inaturalist.org/t/amount-of-unknown-records-is-decreasing/8594