When I started these galleries, I organized them to act as a photo life list of my nature images. This resulted in quite a few not so good images that were uploaded only to maintain the list. I now use iNaturalist to maintain the life lists.
I am now reorganizing the galleries to hold only the better images. In general, the new galleries have a minimum resolution of 1600 pixels vertical. The maximum display is set at 4K (2160 pixels high) but the images are all uploaded at 100% and in the majority of instances exceed the display resolution of 4K. The taxonomy order, and names follow iNaturalist except Birds which follow eBird taxonomy.