I just discovered I have small holes behind my water tank in a tight closet inside my 2nd floor condo. I was vacuuming around the water tank and something like a thin rope was sticking out of the corner, so I thought it was just piece of something but then it disappeared inside the corner. I checked today, 3 days later and there appears small holes that weren't there before. Is it a lizard? A mouse? A Snake? Son't see any droppings though. It got unusually cold outside, may be "something" found it way inside attracted by the water tank warmth? But it is on the 2nd floor! The problem is I don't know what to do. I am extremely terrified of fast moving creatures. Secondly it is almost impossible to reach the spot to seal it. Lastly, I found my extra pillows that were sitting on the shelf in a closet in a different room on a floor. Could rodents, if it is rodents run around and climb the shelves on that (different) closet. There is no way they would just fall down on its own. So I am terrified now. holes behind water tank

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    Sealing holes inside usually won't stop them. Will need to find where they are coming in from outside. Condo management probably has pest control company contacts. Placing some rodent poison around where pets and children cannot get to it might do some good.
    – crip659
    Jan 28, 2022 at 17:43
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    Whatever moved those pillows out of the closet to another room didn't come in through those holes....
    – gnicko
    Jan 28, 2022 at 17:45
  • @gnicko LOL, I really hope so. There is an attic entry in that closet, though tightly shut. Jan 28, 2022 at 17:47
  • I think the "thin rope" was caulking or something similar that someone before you tried to patch the holes with. Maybe the drywall guy busted up the bottom corner and tried to fix it up. I see what looks like additional caulk in the very corner, on the right-hand wall, and on the floor tiles. I don't think it's a "critter" coming in, I think you just disturbed the patch job someone did a long time ago.
    – gnicko
    Jan 28, 2022 at 17:48
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    Are either of the walls in the picture outside walls?
    – FreeMan
    Jan 28, 2022 at 18:37


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