Smart muskrats …
Well, I had nailed their entrances with the new trap sets yesterday – BUT – sometime during the night, they saw their entrances blocked, and rather than trip the traps, they dug an escape hole out the bank. Further, they had turned the newly set trap sideways, so they could continue using the old entrance apparently – and I’m guessing they did this from outside the hole, by pushing on the handle. They had also dug a new underwater entrance 2m from the ones I’d successfully blocked with the traps. Smart muskrats.