A whistle language is taught at schools in:
Turkey
Mexico
Alaska
Canary Islands
Whistle languages were used in each of these places. However, only el silbo gomero - a disappearing whistle language of one of the Canary Islands - has been taught at their schools since 1999 to protect it from extinction.
reach: rather globallanguagesSpain
Answers by country
Turkey
Mexico
Alaska
Canary Islands
answers
Australia27
Greece25
Pakistan11
Spain39
the United States125
Germany396
France17
Austria56
Switzerland31
the United Kingdom133
Poland7982
India68
Republic of Ireland27
the Philippines11
the Netherlands21
Canada18
Italy16