There are many creatures to appear in Yoshi and the Mysterious Bookwith its many habitats ripe for exploration and new discoveries.
When it comes to the end of a certain chapter, you are instead taken to a domain, where you will usually encounter an unusually large creature. In this case, Thudd.
Where is Thudd originally found?
Thudd can be found at the end of the Mountaintops chapteras the sixth creature here. And outside of Bewilder Bird, this is the only time you'll naturally see Thudd in the game as well.
Of course it also means that all its discoveries can be made at this single levelso you don't have to worry about special Discovery Events.

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Every Thudd discovery
There is quite a few discoveries to be made about Thudd. Here are all of them and how to get them.
|
Discovered |
How to find |
|---|---|
|
Spit Out A Smiley Flower |
Pound Thudd's stomach to make it spit out a Smiley Flower |
|
Don't prefer Yoshi Flavor |
Inhaled by Thudd. |
|
Inhaled The Crayzee Dayzee |
Inhale a Crayzee Dayzee. |
|
To The Great Beyond! |
Take a breath and then push up to the surface. |
|
Fossil Of An Ancient Creature |
To shoot into the cave on the right with the fossil. Have to break through several rocks to reach it. |
|
Breathed in a red drop gem |
Inhale the red jewel. |
|
At The Fish Fossil |
Find the fish fossil hidden behind the rocks on the left by being shot into them, then have Thudd inhale it. |
|
Breathed in a brilliant white jewel |
Breathe in the white jewel. |
|
The Thudd stood up! |
After inhaling enough items as well as the two jewels, Thudd will stand up. |
|
Destroyed the statue |
Outside, have Thudd inhale you, then fire at the statue to break it. |
|
Big creatures feel pain too… |
After Thudd stands up, do a pound on the head. |
|
Breathed in The Glubbit |
Inhaled a Glubbit. |
|
Breathed in the whole pond |
Breathed in the entire pond of water where the Glubbit can be found. |
|
Many things grew! |
Spray the water inhaled from the pond over the many flowers and patches of grass nearby. |
|
Found a smiley flower in the dry pond's cave |
After draining the pond, enter the newly revealed cave below. |
|
Inhaled The Plumebrella |
Inhale Plumebrella. |
|
It even tried to eat Kamek?! |
Inhale Kamek as they fly in the air. |
|
Saved Bowser Jr.! |
Save Bowser Jr. to finish the level. |
|
Inhaled Croakaoke |
Inhale a Croakaoke. |
|
Breathed in Bunchabee |
Inhale a Bunchabee |
|
Inhaled a golden (???) |
Inhale a Golden Springhopper found in the grass. |
|
Found a hidden smiley flower |
At the end of the level, slide into a small alcove a little off screen. |
|
Not full of apples |
Make Thudd inhale an apple |
You can too use your tokens for predictions and tips if you want to make this a little more natural or need some extra guidance beyond what we've listed.

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