At first I thought it was a large moth...

[MarkBC]

The ads look at your cookies to see what you've been looking at so they can put an ad to get your attention.

Yeah...A few months ago when Google made changes to how they track stuff, their policies, etc., I opted to let them keep track, to present ads that appear on websites I visit based on my web habits.
That's OK -- I have nothing to hide...not from Google computers, anyway.

 

[Gormley Green]

My guess was little brown bat. They are pretty common, everywhere. The easiest answer is usually the best. Good to see bats around they are having a tough time with the white nose fungus.

 

[camelracer]

I took a tour of the Oregon Caves last week and the ranger pointed out an interesting bat fact. Their forehands are normally in the clenched position and they have to exert effort to open them. This allows them to hang without exerting any effort.