I took this photo this morning while at the Village Creek Drying Beds near Arlington, TX. Most of the morning, the avocets were wading. I happened to catch them as they flew past me to a different part of the drying bed. I thought this was the best of the series of flight photos because in the other shots, their wings are in intermediate flight positions vs this one has full down and full up.
I cropped to 16x9 because of the trio.
Canon 7D Mk II
Canon 600mm f/4L IS II USM
Canon 1.4x III
Manual f/5.6 1/2500 ISO 800