Here is the full list of all 10 Rabbit Meadow achievements.
Ride the tortoise for 10 seconds
Let out 400 poops
Reunite the lost duck to its friends
Find all of the toys in the meadow
Find 10 carrots in the meadow
Hop on frogs to play a familiar melody
Harvest 5 ripe apples from their tree
Steal nuts from all the squirrels
Have 5 rabbit followers
Offer rabbit toys near the statue