Yellow-billed Pintail Yellow-billed Pintail, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-1000; f/11; 1/1000 sec. This page is for the Yellow-billed Pintail (Anas georgica). Yellow-billed Pintail, Antisana, Ecuador, June 21, 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-1000; f/11; 1/1000 sec.