Is there such a thing as diurnal bats? (North America)?

Question

There's a church with a large chimney right outside my bedroom window; every dawn and dusk for weeks, I've observed hundreds of small flying creatures launch themselves out of that chimney in the morning, only to funnel back into it at dusk. 

They're the right size to be bats or small birds; but I think they're bats because I've never seen that many birds nest in such a narrow, vertical structure. What do you guys think? Are there any bats in North America that come out in the morning and return home at dusk?

Anonym · Accepted Answer

They could be chimney swifts or swallows.  
http://www.allaboutbirds.org/guide/Chimney_Swift/id
I do not know of any diurnal bats in the US...but birds would be coming out in the morning and then returning to roost and sleep for the night.

Anonym · Answer

chimney swifts nest in large groups

Anonym · Answer

My first thought was also swifts. Most of the smaller species of bat are nocturnal.

Is there such a thing as diurnal bats? (North America)?

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