If you hammer a piece of wood with termite galleries inside the sound will be hollow.
Termites in wall sound.
Homeowners seldom see termites which in turn live in underground nests and eat the wood inside the walls.
The loudest sound termites can make is called head banging.
Sound of termites can be described as tapping crackling and popping.
The gnawing and nibbling sometimes can only be detected with magnification e g.
If you have an infestation there are three common termite sounds that you might hear.
However there are ways to detect their presence.
When disturbed or threatened soldier termites create rattling noises by hitting their heads against the walls of tunnels.
The pests use the vibrations caused by these movements to warn their colonies of danger.
There re many animals beside termites that can make noises in the walls.
By a stethoscope or a glass.