Russet Antshrike Russet Antshrike, Sacha Gautusa Reserve Natural, Ecuador, June 24, 2024Canon 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 Russet Antshrike (Thamnistes anabatinus).