
Canon EOS 5DS R with Tamron 150-600 mm lens; 500 mm; ISO-2000; f/14; 1/2000 sec.
This page is for the Gadwall (Mareca strepera). This species is common at the Nature Preserve and I see them on almost every visit. The October 23, 2021 photo is my first photographic evidence of this duck. The best photograph I have taken of the Gadwall to date (above) was from November 13, 2021 at the Fort Worth Nature Preserve, Fort Worth, TX.
The following photographs are the best representative images from different dates and locations than my species representative example.

Canon EOS 5DS R with Tamron 150-600 mm lens; 329 mm; ISO-125; f/7.1; 1/320 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-1250; f/7.1; 1/2500 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-1250; f/7.1; 1/2500 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-2000; f/7.1; 1/2000 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-2500; f/6.3; 1/2000 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-4000; f/14; 1/500 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 483 mm; ISO-640; f/7.1; 1/1000 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-200; f/6.3; 1/1000 sec.

Canon EOS 5DS R with Tamron 150-600 mm lens; 600 mm; ISO-1250; f/7.1; 1/500 sec.

Canon EOS 5Ds R with Tamron 150-600 mm lens; 600 mm; ISO-800; f/7.1; 1/4000 sec.

Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-1000; f/11; 1/1000 sec.

Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-640; f/10; 1/640 sec.

Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-160; f/10; 1/250 sec.

Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-1600; f/10; 1/800 sec.

Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-5000; f/11; 1/800 sec.

Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x teleconverter; 700 mm; ISO-640; f/11; 1/800 sec.