move your mouth
No. Whistling in a high pitch is their way of communicating.
whistling in a high pitch voice. they also make quiet bubbling sounds
The energy change in a whistling tea kettle is an increase in thermal energy. When the water is heated, its molecules gain kinetic energy, causing them to move faster and collide more frequently. This increase in energy eventually causes the water to boil and produce steam, resulting in the familiar whistling sound.
The present participle for "whistle" is "whistling."
What is it when you hear whistling and no one is there?
There It Go (The Whistling Song) by Julez Santana
Not 100% sure on this but "The whistling wind"?
Whistling Warbler was created in 1878.
Whistling in Dixie was created in 1942.
Whistling in Brooklyn was created in 1943.
Whistling Smith was created in 1975.
Whistling Heron was created in 1824.