Plumbeous Sierra Finch Plumbeous Sierra Finch, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-2500; f/10; 1/1000 sec. This page is for the Plumbeous Sierra Finch (Geospizopsis unicolor). Plumbeous Sierra Finch, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-2500; f/10; 1/1000 sec. Plumbeous Sierra Finch, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-3200; f/11; 1/1000 sec.