- A flock of, what appeared to be, Northern Rough-winged Swallows circled
above my house for at least 15 minutes this morning about 11:30.
There were about 20-30 of them.
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- In answer to do tree swallows nest in bluebird houses. Our swallows were looking in them. Once started a lot of twigs and things in one. But then they built in our purple martin condo.