A brownish dragonfly sits on a twig against a blurred green background

Dragonfly on twig, Cornmill Meadows

Nikon D50, Nikkor 70-300mm f/4.5-5.6G, polarising filter

300mm, f/5.6, 1/500s, ISO 800. Date: 2007-06-02

cropped, sharpened

A dragonfly, I believe a Four-Spotted Chaser, at the Dragonfly Sanctuary at Cornmill Meadows near Waltham Abbey.