A Masked Gnatcatcher inspects its surroundings. They won't stay put, hopping from place to place incessantly. I like the first picture with the utility wires and stuff because it gives a sense of scale on how freaking tiny they are.
Common wood pigeon (Columba palumbus) perched in the shadow of an old bigleaf maple tree's canopy and evaluating how big of a threat yours truly is, pointing at it with this funny-looking light-gathering apparatus.