M. h. haidarum Preble, 1898 M. h. celenda Hall, 1944 M. h. seclusa Hall, 1944 The Haida ermine (Mustela haidarum) is a mustelid species endemic to a few islands off the Pacific Northwest of North America, namely Haida Gwaii in Canada and the southern Alexander Archipelago in the U.S. state of Alaska.

[7] M. h. haidarum M. h. celenda M. h. seclusa The habitat for the Haida ermine has been intensively reduced over the past few centuries due to old-growth timber harvest in the Tongass National Forest, an important protected area for the species, as well as industrial-scale mining on the islands, which disproportionately affects insular endemics such as M. haidarum.

Expanding human populations and increasing tourism may increase the risk of pathogen spillover to M. haidarum, including pathogens common to pets such as canine distemper and parvoviruses, which have negatively impacted other wild mustelids.

Due to the rudimentary understanding of the true level of endemism in these northern archipelagos, these threats must be better quantified to protect species from them.

Except for rabbits which have too much fur around their neck for the bite to penetrate but instead are gripped at the nape and scratched with their hind legs.