It can be difficult to observe, but in direct sunlight, an irridescent ring glows on the necks of the drakes of this species. Ring-billed Duck may have been a bit more descriptive for cloudy days...
A pair on the Main Pool, seen from the Wildlife Drive. April-2005. MNWR. Central NY, USA. Canon EOS-10D, EF 100-400mm F4.5-5.6L IS USM Lens. ISO 400, Evaluative metering.
Wildlife Drive. April-2005. MNWR. Central NY, USA. Canon EOS-10D, EF 100-400mm F4.5-5.6L IS USM Lens. ISO 400, Evaluative metering.
Wildlife Drive. April-2005. MNWR. Central NY, USA. Canon EOS-10D, EF 100-400mm F4.5-5.6L IS USM Lens. ISO 400, Evaluative metering.