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.
Llamas make a variety of noises. The most common is a soft humming noise which usually indicates that they are nervous or just unsure or unfamiliar of the situation they are iâ¦n. They can also make a shrill warbling noise when they feel threatened or see other animals like dogs, coyotes, etc.