page 8.25" x 5.5" (20.955cm x 13.97cm)
Rabbits, not bunnies.
It is tough to do and avoid cute or cartoony, at least for me.
Think about Dürer's "Young Hare I" or Wayne Theibaud's "Rabbit". Although I am not really going for realism I always have those in the back of my mind because each holds its own unique quality. I am not there yet but I'm working on it.231,232