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!
Bright Yellow and White Paper Christmas Wreath for Kids with Birds and Flower Shapes
A faire ac tit clown
Preparing for Easter
These Pom Pom Chicks make everything cuter.