
I noticed a little, easily overlooked detail on the dog above: both his ears look like they're regular floppy CS ears, but if you take a closer look, you'll see that a different lineart was used for his anatomical right ear. It's the lineart that's used for semi-floppy ears. Here are two other dogs for comparison:


floppy ears---------------semi-floppy ears
What makes this even more interesting is: for his pup stage, the lineart for floppy ears was used for the anatomical right ear.
For comparison one of his litter mates and another pup:
semi-floppy ears---------------floppy ears
It may be a little difficult to actually see the the difference between the pups' linearts. If you use Google Chrome, you can just drag a pup's image over another one, and by layering the images, you'll see the slight difference. I don't know if this also works on other browsers, though.