Mine left early too. And my horses are growing their winter coats already. West Michigan Lakeshore.
So sad when they leave… my boy’s starting to look a bit fuzzier too 
We had a huge crop this year, our barns and sheds were just full of nests, and each had at least 4 babies, x 2 hatches. The barn aisle and the air above my barn yard was so busy, I love it.
But now, most of them have left. We still have a few nests left to fledge.
And then, silence.
I just dread when they leave.
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Mine were here last night when I mowed a bit but gone this evening, southern PA. Safe travels!
This is TOTALLY what I notice this time of year, too! Not just in the barn, but everywhere. It’s so quiet. The birds that are around–plenty of them!–are done with courting and breeding? So no songs. Nothing feels like fall quite like a quiet forest 
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Mine are still here but we had some chilly early. mornings and a few were hanging out in my garage! Lat year we had a warm rainfall late August…there were close to 30 swooping all over the lawn front and back…then poof, they left!
I know, it’s kinda sad. I miss them
Our barn is empty, and silent. I miss them too. 
