stoat, ermine or short-tailed weasel

Description:

distinguished from the least weasel by its larger size and longer tail with a prominent black tip. Its range has expanded since the late 19th century to include New Zealand, where it is held responsible for declines in native bird populations. It is classed by the IUCN as Least Concern, due to its wide circumpolar distribution, and because it does not face any significant threat to its survival.[1] It is nominated among the 100 "world's worst invasive species"

Habitat:

native to Eurasia and North America

Notes:

Under my cabin at C-Camp, Denali National Park and Preserve, Alaska, USA