The crossword solutions for the term COMIC STRIP DUCK FILLMORE are MALLARD, which is a seven letter word. The MALLARD is a species of DUCK that is widely recognized as one of the most common and recognizable of all ducks. It is native to North America, Europe, Asia, and North Africa, and is the ancestor of most domestic ducks. The MALLARD is also the main character in the COMIC STRIP 'DUCK Fillmore', which was created by cartoonist Don Rosa in 1987.