Variable Hawk Variable Hawk, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-160; f/10; 1/1000 sec. This page is for the Variable Hawk (Geranoaetus polyosoma). Variable Hawk, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-320; f/11; 1/1000 sec. Variable Hawk, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-250; f/10; 1/1000 sec.