Nothing that a #4 conibear wont fix.
What in the name of God is a "#4 Conibear"? There's 110, 120, 160, 220, 340, etc., but in 50 years of trapping, never heard tell of or reference to a "#4 Conibear"....
To the OP, weasel of some sort poop. In your area, there's several different "weasels"