Thanks for all the guesses in the blog and on Twitter. DC Birding Blog guessed correctly when he wrote Wilson's snipe. I love that tail, it looks like a mini red-tailed hawk tail. Tai brings up a good point, note how small the feathers are in relation to the fingers--they are small birds.
Here is a video of Alvaro Jaramillo counting the snipe's tail feathers (you'll hear me call it a common snipe, I'm still stuck on it's old name, it is a Wilson's snipe). You may remember Alvaro from a video earlier this year on learning to love gull watching. Funny guy and would keep you laughing on one of his tours with Field Guides: