A little more variety than the ears and tails, as mentioned before Their Sclera are actually not a solid shade of white but actually a varient shade of their primary eye colors. Their eyes themselves are also often very vibrant, and are only EVER two or three shades of the same color, their pupil the darkest shade.
Also there will be more on 'throwbacks'/throwback traits and what they are as presented in the Drift Wing species.