iNat changed the default - so that when we choose taxon pictures, the default is now RG. I have also replaced pictures which came from Flickr where the ID is doubtful, in favour of an iNat RG obs - where the ID will change if an identifier has good reason.
https://forum.inaturalist.org/t/suggestions-towards-more-accurate-taxon-default-photos/8066/9
2019 - sorry can’t find the RG announcement