Otters can be very tough to trap because they are a wandring animal. If you have only had the traps out for a couple days, the otters may not have been through your area recently. An otter can sometimes only enter an area once in a 2 week period. If they are traveling through your area, you should be able to find some sign. Look for scat piles and areas where the otters are sliding into the water and set accordingly. One of the best sets, IMO, is a bodygrip placed on a crossover, or an area where the otter leaves the water and travels to another body. If you have another body of water, such as a creek, it is likely that the otters have a trail in between the two. The only problem is that other critters will use the same trail so you may end up with some accidental catches.
