Well, not necessarily vocal in the context that humans do linguistically yet their linguistic communication consists essentially of "Signals" through various methods.
Anony.
I am highly intrigued as to the means of this communication you are referring to.
DH JEMJD TF JJCM UQ QZRUQ D BGVFL FSV.
"Triangles are excellent geometrical shapes that can be utilized for many beneficial purposes."