Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-1250; f/11; 1/400 sec. +0.3 exposure bias.
This page is for the Rock Wren (Salpinctes obsoletus). I was walking around the visitor center at the Bitter Lake NWR and was surprised to see this guy hopping around. I think it found a place for shelter along the roof of the building.