Here is the full list of all 15 Easter Bunny achievements.
Find all carrot in level 1!
Find all carrot in level 2!
Find all carrot in level 3!
Find all carrot in level 4!
Find all carrot in level 5!
Find all carrot in level 6!
Find all carrot in level 7!
Find all carrot in level 8!
Find all carrot in level 9!
Find all carrot in level 10!
Find all carrot in level 11!
Find all carrot in level 12!
Find all carrot in level 13!
Find all carrot in level 14!
Find all carrot in level 15!