Canon EOS 5Ds R with Tamron 150-600 mm lens; 600 mm; ISO-200; f/6.3; 1/1000 sec.
Mexican Fritillary (Euptoieta hegesia). We put in a pollinator garden at our house in Fall 2021, and a few of the flowers were still flowering on Christmas and having some visitors. I managed to get this butterfly while sitting one of the more popular flowers.