Bushtits are very hard to shoot because they are tiny, flighty, constantly on the move and hang out in the brush. I came across two at the Mentor Graphics pond that were in a small willow that was just starting to leaf out. That helped get a less obstructed view and I managed to get a few reasonable photos. This one shows one of the Bushtits hanging from a thin branch. My field guide says that the Pacific variety have a brown crown as can be seen in this image. Trying to shoot these can be a bit of a sport.