When a bird sings what form of energy is being transformed to what form? Is it potential energy to kinetic energy?

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Energy is not produced in any process but is rather converted from one form to another.

When a bird sings, sound energy is being produced which is a movement of particles through which sound travels. The bird emits sound by vibrating its vocal cords. This is made possible due to the movement of muscles. Muscles require a source of energy to be able to contract which is a simple carbohydrate like glucose.

The sound from the singing of a bird is due to the conversion of potential energy stored in organic compounds to kinetic energy of the particles through which sound travels.

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