Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-3200; f/10; 1/800 sec.
This page is for the Wilson’s Warbler (Cardellina pusilla). I was not certain of this bird when I was going through my photographs, then I noticed the black cap which is barely visible in this shot.