The parties often refer to the result of the negotiation as a collective bargaining agreement (CBA) or as a collective employment agreement (CEA).
When theyâre happy and satisfied they make a humming sound. This sounds like a blend of buzzing and humming. When in danger alpacas will sound an alarm which sounds a little like a horseâs whinny. And, as you now know, before mating alpaca stallions âorgleâ.
Best Answer: Most reptiles do not have vocal chords- and no snake or turtle does. However, they can still make several noises, voluntarily and involuntarily. Involuntary noises include hisses when they jerk their heads into the shells, which forces the air in the lungs out to make room.