A male Red-winged Blackbird displays his brilliant red "epaulets" for all to see. This display serves to warn other male rivals, defend his territory, and appeal to prospective mates. Image made with Canon 7D,
Canon 500 mm F4 L IS lens plus 1.4x teleconverter, on a Gitzo tripod with Whimberly gimbal head. Exposure was 1/500 second at F 5.6, ISO 200.