RG-Cat-6 from Are dogs red–green colour blind? Marcello Siniscalchi Serenella d'Ingeo Serena Fornelli Angelo Quaranta 10.6084/m9.figshare.5555368.v1 https://rs.figshare.com/articles/media/RG-Cat-6_from_Are_dogs_red_green_colour_blind_/5555368 Red Green animation edited using the red shades employed to depict the number "6" of the Ishihara platelet n° 22 against the green shades of the same platelet on background. 2017-10-31 16:53:22 dog colour vision physiology behavioural method