The Beatles song "A day in the Life" has an extra high-pitched whistle, audible only to dogs. It was recorded by Paul McCartney for the enjoyment of his Shetland sheepdog.
The Beatles song "A day in the Life" has an extra high-pitched whistle, audible only to dogs. It was recorded by Paul McCartney for the enjoyment of his Shetland sheepdog.
I did not know that. Thank you for the information @dogfact