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
Collect all Turtles
Find 95 Stars
Collect all Houses
Collect all Honeycombs
Collect all Owl Eggs
Collect all Seeds
Earn 10 Hearts
Collect all Geodes
Collect all Skulls
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
Complete Below the Root
Collect 25 Turtles
Complete Setting Sail
Find 65 Stars
Complete The Old Willow
Complete a Ride Carol mission without crashing
Cause three different Wild Things to sneeze
Complete Crumbling Island
Collect 25 Owl Eggs
Collect 25 Honeycombs
Complete Rebellion
Earn 7 Hearts
Defeat 100 Shadow Creatures
Defeat 25 Lightning Bugs
Complete Seasick
Allow three different Wild Things to sink into oblivion
Find 40 Stars
Collect 25 Geodes
Complete Canyon River
Be eaten by three different Wild Things
Complete The Cave
Defeat 250 Fireflies
Defeat five Fireflies with one bomb
Complete Road to Nowhere
Find 20 Stars
Collect 25 Houses
Earn 4 Hearts
Start a Dirt Clod Fight with multiple Wild Things
Collect 25 Seeds
Complete Arrival
Find 5 Stars
Collect 25 Skulls
Power-swing from three bars in a row
Defeat 15 enemies in a row in melee without being hit