Western Marsh Harrier Western Marsh Harrier, Bufalara Lavorazione, Lazio, Italy, October 5 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x teleconverter; 700 mm; ISO-125; f/11; 1/800 sec. This page is for the Western Marsh Harrier (Circus aeruginosus). Western Marsh Harrier, Bufalara Lavorazione, Lazio, Italy, October 5 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x teleconverter; 700 mm; ISO-125; f/10; 1/800 sec. Western Marsh Harrier, Lago dei Monaci–Rio Martino, Lazio, Italy, October 5 2024Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x teleconverter; 700 mm; ISO-250; f/11; 1/800 sec.