So I've been studying albinos recently. It seems that pink noses usually come with a restriction of melanin to the nose. That's why you see cats have a pink nose in white areas, but many dogs have a black nose instead. It seems like cats multicolored, have amelanistic skin underneath the part where the fur is supposed to be white, whereas white dogs can separate the two more readily in their genes, so they have amelanistic fur but melanistic skin (white fur, black skin). In order for nichelings to have pink noses with general white fur, we'd have to consider genes for their skin- maybe adding two different schemes for skin? A gene for skin that is dependent on the fur color, or a skin gene that is separate from the fur color. Also, it looks like the albino nichelings have gray noses. There are definitely albinos whose noses are more gray then pink, but this is more often found on leucistic animals and partial albinos. If they're going to make animals with normal white fur have pink noses, then albinos have to too.
