Which physical characteristic of the Dandie Dinmont Terrier is noted as being unique among many Scottish terriers?

Answer

Pendulous (floppy) ears

The breed possesses pendulous, or floppy, ears, which is a trait noted as being unique among many Scottish terriers.

Which physical characteristic of the Dandie Dinmont Terrier is noted as being unique among many Scottish terriers?
DogbreedTerrierDandie Dinmont Terrier