A detective heard a whistle but saw no one around. What could it be?
Category: Mystery · Difficulty: easy
Hint: Consider who else in nature might whistle.
Answer
A bird signaling
Explanation
Birds are known for their whistling sounds, which could explain the mystery.
This is an easy mystery riddle — a good one for children and beginners. The answer is A bird signaling.
More Mystery riddles
- A detective found a note saying 'Meet me at dawn' but no name. Who could have written it?
- A clock stopped working at 3:15, yet it still told the right time twice a day. What does this mean?
- A detective received a phone call from a mysterious person who said they knew the truth. Who could it be?
- A detective found a painting of a sunset with no sun in it. What could this mean?
- A painting in an old house changed every night. What could be the reason?
- Detectives found a bloody shirt in a suspect's home, but he claimed it was planted. What could prove him…
- A dog barked at a wall every day. Why?
- A letter was found unopened on a table after a robbery. What does it signify?