snow nose
n.— «Some dogs have what’s called a snow nose; it’s lighter in the winter and darkens (under the sun) in summer.» —“Dog’s feeding bowl might put its nose in the pink” by Steve Dale Pioneer Press (Minneapolis/St. Paul, Minnesota) Feb. 28, 2007. (source: Double-Tongued Dictionary)
Further reading
A mixed-breed dog is sometimes called a bitsa, as in it’s made from “bits of this and bits of that.” This is part of a complete episode. Transcript of “A “Bitsa” Dog is Bits of This and Bits of That of that”” You know, we were talking...
Critters, co-workers, and clothes: What do you call your favorite mixed-breed dog? There are Heinz 57 mutts and Texas brown dogs in the U.S., while in parts of the Caribbean they’re called potcakes and coconut retrievers. Plus, among firefighters...