Track Tracks showing only 4 of the 5 toes, 3/4" (18 mm) wide or less. Foreprints slightly wider than hindprints, but approximately half as long. Hindfeet usually placed in or near foreprints, but sometimes side by side, or with 1 slightly ahead.
Sign Sometimes leaves cache of several dead mice under log. Makes holes in snow when diving after prey.
Scat: Similar to Long-tailed Weasel's but slightly smaller.