You can use any shape. It doesn't have to be a bunny. Just trace a shape or cookie cutter. This would be cute for any holiday, just use an appropriate cookie cutter to trace and cut out the shape, then whatever yarn works best for that holiday!
Paper Strip Easter Egg Art for Kids Could do this with any shape. Hearts for Valentines, Shamrocks for St. Trees or ornaments for Christmas. Well, you get the idea.
How to make an easy Easter postcard - Eggs/chick
chicken and rabbit