Black Bellied Plover following rule #18, Limber Up.
Great Blue Heron a second before touchdown
Greater Yellowlegs, aka 'Crazy Legs' , during a brief pause before taking off as another one approached.
One of the dowitcher's going through the airborne fluff cycle. The funny part, they are either too far away to get a frame filling shot, or too close to catch them with the wings fully outstretched. First World problems and all that.