Jan Victor Armas Lindblad (19 July 1932 – 5 April 1987) was a Swedish naturalist, writer, photographer, film maker, and whistling artist who imitated animals. . Lindblad was born in Örebro, Sweden in 1932. He made his debut in the early 1950s, performing in various revues, as a juggler and whistling artist. The latter talent made him one of the 1970s best-selling record artist in his native Sweden. One of his biggest hits was his whistling interpretation of the American folk song "Oh Shenandoah", recorded in 1977. .
https://en.wikipedia.org/wiki/Jan_Lindblad