Swiftly into the chimney

I recorded this about six months ago but never could figure out what to do with it. I had like 20 minutes of shaky camera footage of birds flying into a chimney. Finally, I decided to speed it up (well, parts of it) and boil it down to about a minute. Ladies and gents, I present to you, the swifts:


Swifts fly into a chimney from Casey Parks on Vimeo.