Original sentence: A baby rock partridge hides by sitting very still like a tiny striped stone.
Is it correct? Yes. The sentence is grammatically correct. If you want a small pause when you read it aloud, you can add a comma:
A baby rock partridge hides by sitting very still, like a tiny striped stone.
Why this works (simple steps):
- A baby rock partridge = who we are talking about (the subject).
- hides = what it does (the verb).
- by sitting very still = tells how it hides (shows the method).
- like a tiny striped stone = a simile that compares how it looks when it hides.
Tip: Use the comma if you want a little pause for effect when reading. Both with and without the comma are correct.