1:00 AM – Mourning Dove gradually ruffles his feathers out until he’s a big fluffy ball. The whole process took about a minute and a half. He stayed puffed up for several minutes, every now and then contracting a little, then expanding again. It looked like he might be bathing, but he didn’t get in the water. Presumably he was just airing himself out.
Here’s an irritable Cardinal running off a Nuthatch and Sparrow. In slow motion.