I found something inside my attic vent. What is it?

It looks like three little nests. Wasps? Bird?
Can anyone identify it or tell me how to get rid of it?. I don't see any screws to access the screen. I poked it (smart, I know 😃) and no one seems to be using it at the moment.
q i found something inside my attic vent what is it
  6 answers
  • Jojo Jojo on Oct 22, 2017
    ummm, just curious, what's the difference...i'd just clean it off with a hose....whatever it is. Could be just dirt and dust accumulated with the wind and nothing super dangerous. Whatever it was, they've moved on...;-)
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  • Robyn Garner Robyn Garner on Oct 22, 2017
    It looks like the screen is attached to the ring inside the vent. Try pushing on that to move it. Be careful though - it might be hard to get back in place. I agree it looks like it may be tiny dust devils from the wind lol!
  • Sharon Sharon on Oct 22, 2017
    I would put a box or wastebasket underneath, and use a brush to brush away..... Then I would spray with a good insect repellent. Looks almost like bat guano.... can anything get in from the roof, is there screening around/over the outside vent?
    • Arlette Twersky Arlette Twersky on Oct 22, 2017
      Just saw it today. I would have to hire someone to go up and look at the vents on the roof. Haven't seen any critters though ;)
  • Joye R. Foster Joye R. Foster on Oct 22, 2017
    Could it be keeping out mice?
  • Cynthia H Cynthia H on Oct 22, 2017
    How about pressurized air? You might be able to clear the vent with that.
  • Kim Kim on Oct 22, 2017
    I appears that the picture is taken from inside your attic. I would guess that is a mud dobbers work. Use a fine bristled brush to push through the screen and to brush off.
    To prevent more from coming, I would spray the screen with a Tea-tree essential oil mixed in rubbing alcohol once a month. 10 drops per 1/2 cup.
    : )
    • Arlette Twersky Arlette Twersky on Oct 22, 2017
      It looks more crumbly than pictures I found on the web for mud daubers. There do seem to be little round holes in it, though.
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