Ring-necked Duck Click on any thumbnail to view a medium sized version of the selected image, or click on its title to download the largest available format (for print).   ring-n. duck 01  ring-n. duck 02  ring-n. duck 03  ring-n. duck 04  ring-n. duck 05  ring-n. duck 06  ring-n. duck 07  ring-n. duck 08  ring-n. duck 09  ring-n. duck 10  Hawaii Birding Tours    Reservations    Oahu Nature Tours    Phone:   808  924-2473 natureguide@oahunaturetours.com ©  Content and photos on this website can only be used with written permission from Oahu Nature Tours, Inc. Our photos are for sale as printed images and available for one time use for publications and other media.