Canvasback 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).   canvasback 01  canvasback 02  canvasback 03  canvasback 04  canvasback 05  canvasback 06  canvasback 07           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.