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Hummingbirds.
I have a pretty big colony that returns every year.
At the end of the summer after all the hatchlings are out I'll have 75-100 birds flying around my house at one time.
They'll chase each other for fun- biggest "pack" I've seen fly by as a group was 6.
They get comfortable with me and buzz my head as I'm walking around as if I'm just part of the scenery.