What is the sound of Yak called?

Yak Sound Name: Grunt.

Yaks are stocky creatures with high, humped shoulders and a wide skull. Males and females both have horns that grow out of the sides of their heads and bend upwards midway down their length. Domestic yaks can only grunt, thus the Latin term "Bos grunniens," which means "grunting ox."

Listen to the sound of Yak: