https://creativecommons.org/licenses/by/4.0CC BY 4.0 Creative Commons Attribution 4.0 truetrue
This image was originally posted to iNaturalist by lennarthud at https://www.inaturalist.org/photos/33606417. It was reviewed on 2021年12月17日 by AntiCompositeNumber and found to be published under the terms of the Cc-by-4.0 license. It is, however, not the same license as specified on upload (Cc-by-sa-4.0) and it is unknown whether that license ever was valid.