Hi taraanne,
Mink can definately be caught in a hav-a-hart trap and they are rather dull witted when going to the kill.
Mink generally follow a known path, or will run along a fence untill they find a breach to slip in by.
This would be where you set your traps. as Deer Man said weight it down and tie the bait, but some mink are too dull to even need bait.
this one was caught just using a hav-a-hart no bait, just placed along the side of the building where the dope ran right in and was trapped.
it is amazing the small crack they can slip in by also.less than an inch wide. If you have ever seen a ferret at play and notice the twisting slithering wiggly movements, this is the motion mink employ to slip through cracks. its amazing to watch to say the least.
I dont advise poking a mink with a broom handle either while it is attacking a hen( yep I did hubby was too darned slow with the pellet gun) PHEW do they ever leave a lasting odour.
If your Conabear doesnt do the trick and its legal in Canada to use a pellet gun, that would be my suggestion, put the buisness end in a square of the trap and wait for the mink to bite the barrel( and it will, its mad enough to bite everything) pull the trigger, the pellet imediately severes the spine, its an instant kill, its the most humane way to dispatch a mink outside of a drowning trap.
I hate killing such a beautiful animal, but I value my animals a little more than a critter that will kill just for the fun of it.
good luck catching the little bugger.
Hows the kitten rehoming going? I still have 2 left to find new homes for.