Walk on the living, they don't even mumble. Walk on the dead, they mutter and grumble. What are they?

Answer: Fallen leaves.

More Tricky Riddles with answers

More Tricky Riddles

We are five little objects of an everyday sort. You will find us all in a tennis court. What are we?
We are five little things of an everyday sort, You will find us all in a tennis court.
We hurt without moving. We poison without touching. We bear the truth and the lies. We are not to be judged by our size. What are we?
We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. How can that be possible?
Wednesday, Tom and Joe went to a restaurant and ate dinner. When they were done they paid for the food and left. But Tom and Joe didn’t pay for the food. Who did?
What animal can jump higher than a building?
What breaks without falling?
What can be driven although it doesn't have wheels, sliced but stays whole?
What can be stolen, mistaken, or altered, yet never leaves you your entire life?
What can I serve but not eat
What can you add to the number one to make it disappear?
What can you find here, there and everywhere?