Here is the full list of all 49 Where the Wild Things Are trophies - there are 38 bronze, 7 silver, 3 gold and 1 platinum.
All Trophies Awarded
Find 95 Stars
Collect all Geodes
Collect all Owl Eggs
Complete a Ride Carol mission without crashing
Collect all Seeds
Collect all Skulls
Collect all Turtles
Collect all Houses
Complete a Sailing mission without crashing
Complete the game on Easy or Higher
Complete the game on Normal or Higher
Complete the game on Hard
Complete A Trip to the Moon
Earn 10 Hearts
Complete Below the Root
Collect 25 Turtles
Complete Setting Sail
Allow three different Wild Things to sink into oblivion
Collect all Honeycombs
Find 65 Stars
Complete The Old Willow
Cause three different Wild Things to sneeze
Complete Crumbling Island
Collect 25 Owl Eggs
Complete Rebellion
Collect 25 Honeycombs
Earn 7 Hearts
Complete Seasick
Defeat 100 Shadow Creatures
Collect 25 Geodes
Complete Canyon River
Find 40 Stars
Defeat 250 Fireflies
Defeat 25 Lightning Bugs
Complete The Cave
Defeat five Fireflies with one bomb
Be eaten by three different Wild Things
Complete Road to Nowhere
Find 20 Stars
Earn 4 Hearts
Collect 25 Houses
Collect 25 Seeds
Start a Dirt Clod Fight with multiple Wild Things
Complete Arrival
Find 5 Stars
Power-swing from three bars in a row
Collect 25 Skulls
Defeat 15 enemies in a row in melee without being hit