Cactus Wrens are ubiquitous in Southern Arizona and so very quick that one rarely ever gets close up. This one was hunting and I happened to hear him skittering across the rocks and under cactus, so I swung the camera around and did my best to handhold and shoot as he ran past.
Nikon D810; Tamron 150-600f/5-6.3 Di VC USD at 500mm; f6.3; 1/2000s
Kevan Schlamowitz
kevanphotography.com