The giant salamander is the only species that can vocalize and this is reflected in the lovely Stollo legend about these wonderful creatures. 

This collection of Stollo legends about Species at Risk is from the Southcoast Conservation Program  website.

http://sccp.ca/sites/default/files/resources/documents/species%20at%20risk%20are%20sacred%20-%20stolo%20world%20view%20on%20SAR%20cl%20victor%202013.pdf