Tap on your bunnies on the profile card. They do something. They squeak and do something else. Every bunny squeaks. The type of movement while they squeak matters how they look. The sound is same for all bunnies.
How bunnies Squeak
Arctic Bunnies: Squeak with their head to their bottom left.
Tropical and Ocean Bunnies: squeak holding their heads
Grassland Bunnies: squeak by moving their heads to their right
Desert Bunnies: squeak like the grassland
Mountain Bunnies: Squeak by putting their heads down an wide opening their ears and setting them back to normal