So I spent 14 minutes tracking this little bugger. I must have aimed 40 times, maybe more. This little thing bounced around like a ping pong ball in a bingo cage. Zip! Zap! Zipzip! Pow! BoingBoingBoingZipPow!
I took two pictures when it sat still for about 11 milliseconds. Here's one.
So the best I can come up with is a Pine Warbler, but the eyes don't look right. 3 books and 2 web sites later and I'm not any closer to finding a better match, yet I really don't think it's a pine warbler. Any ideas?


My bird book says its a Regulus calendula, or Ruby-crowned Kinglet! (female) (same as male but lacking ruby crown)


