>>149918348
If you count best rabbit. I'm assuming that's in the right age group.
This: >>149900278
Ria Rabbit
Guess How Much I love You

consulting The List:
Wanda And The Alien
Boj
Sunny Bunnies
Mofy

Rabbits featured as prominent characters:
Franklin
Astroblast
The Busy World Of Richard Scarry
Out Of This Word
Dido The Luck Dragon
Nature Cat

Might be a few on the original bun list too.