Answer:
Though not a plant I have leaves. though not a beast I have spine. Though many wouldn't need me I am more valuable than wine.
Walk on the living, they donβt even mumble. Walk on the dead, they mutter and grumble. What are they?
If there is a bee in my hand, what is in my eye?
I am the signature stroll of ducks and penguins
I help engines spin and pants stay up.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.