Jun 21, 2012 · Hey, You Little Weasel! This is the first in a series of articles on some of the ten members of the weasel family that are found in Michigan. An adult least weasel (Mustela nivalis) weighs just 1-2 ounces and can fit its supple 6-8 inch-long body into a coffee cup. Understand your local trapping laws before capturing and relocating a weasel. Weasels range in size, depending on the species. While a small trap is ideal for a short-tailed or long-tailed weasel, you may need an extra-small, mouse-sized trap for a least weasel - the average of which is only 8 inches long and 2.5 oz. You know where that weasel would go best? Right, ooh, he's scratching my back. In an instance like this, it is all about just letting the animal acclimate to me. I don't want to try to force an encounter. If I were to grab that weasel right now it would rear around and bite me with those sharp little needle-like teeth. It's right behind you, Mark. It is still a weasel as it is a member of the weasel family - and in North America it is more likely to be called a short-tailed weasel than a stoat. For more pictures and information on mustelids or the weasel family check out /r/mustelids! Skinny_Little_Weasel -6 points-5 points-4 points 7 months ago "Nowhere in those definitions is a base stated or implied. Therefore the definition of an irrational number is independent of base." Weasels are remarkably clean animals that will not defecate in their quarters. They designate a separate latrine area. These sleek, little hunters are both feared and respected.