Is there a chance that rarity can be put back in Which Egg is which? I've use it to know which dragon where the rarer and it's a bit tricker for me to click a dragon to know its rarity than click it to know its location.
Maybe a way to make it work is having a color code? Light Green dot for very commun, Green for commun, yellow for uncommun, red for rare, dark red for very red and black for Extremely Rare. That way it wouldn't clutter the page much and people who use the page to quickly know which egg description is corresponding to a rarity can have this Quality of Life™
Color coding will break on mobile, as Fandom strips out inline and custom css styling.
In general, though, I'd rather not duplicate information in more places than is necessary. Every row of the Which egg is which? tables has links to the dragon article, which includes the rarity, in addition to the Dragon Rarity Guide, the purpose of which is to list the rarity estimates for all the dragon breeds. I don't know that the user-ascribed rarity values can be used to identify dragon breeds in the same way the sprite, description, and biome for the eggs can.