Long-tailed weasel
（重定向自Mustela frenata）
![](/Images/godic/202501/28/Bridled_weasel5254.jpg")
![](/Images/godic/202501/28/Long-tailed_Weasel_area5254.png")
![Skulls of a long-tailed weasel (top), a stoat (bottom left) and least weasel (bottom right), as illustrated in Merriam's Synopsis of the Weasels of North America](/Images/godic/202501/28/Frenataermineanivalis5254.png")
![](/Images/godic/202501/28/Mustelalongicaudaskull5254.png")
The long-tailed weasel (Mustela frenata), also known as the bridled weasel or big stoat is a species of mustelid distributed from southern Canada throughout all the United States and Mexico, southward through all of Central America and into northern South America.