Here is the full list of all 25 In the Wild achievements.
Play as the wolf for the first time.
Play as the bear for the first time.
Play as the deer for the first time.
Play as the goat for the first time.
Load into a world for the first time.
Play as the boar for the first time.
Play as the chicken for the first time.
Play as the cow for the first time.
Play as the crocodile for the first time.
Play as the elephant for the first time.
Play as the goose for the first time.
Play as the ibex for the first time.
Play as the pig for the first time.
Play as the rabbit for the first time.
Listen to a fact about crabs.
Listen to a fact about frogs.
Listen to a fact about komodo dragons.
Listen to a fact about rats.
Listen to a fact about slamanders.
Listen to a fact about sorpions.
Listen to a fact about toucans.
Listen to a fact about vipers.
Complete the tutorial.
Listen to a fact about each animal on the Central Island.
Play as all the animals at least once on the Central Island.