It is a bit hard to see, but I am thinking Hornet nest.
If this is correct, I would say lucky you. We once had a large nest in a nearby tree, we watched Baldfaced Hornets building it. That Summer we could sit outside without flies bothering us.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost
President: Orchid Society of Northern Nevada
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