DCHP-1 Online
sooty fox 
a rare colour phase of the Arctic fox.
See also: blue fox
- 1853 The "sooty fox" is a variety of the "Arctic," distinguished from it only by its colour, which is of a uniform blackish brown.
- 1863 (1873) . . . our distinguished travellers would shoot . . . ptarmigan, blue or sooty foxes . . . and musk ox after camping on the shores of the Copper Mine and Great Slave Lake.
- 1853 The "sooty fox" is a variety of the "Arctic," distinguished from it only by its colour, which is of a uniform blackish brown.