Roses Are Red, Violets Are Blue, This Is A Cow, Moo. This funny birthday card includes an the poem above plus a fun cartoon illustration of a black and white cow. Fun, weird, and just the thing for those with a bit of a odd sense of humor and a love for bad poetry. Customize it! You can change the wording, add your own message inside, change the background color. Do what you like and make it udderly unique!