Llamas are the domestic form of the wild guanako. Llamas are still used in South America as cargo and transport animals, but are not as widespread as before as cars and motorcycles have become more accessible. The llama belongs to the camel family but has no hump.
The llama is known for spitting, but mostly it does it to other llamas, as a way to mark their position in the hierarchy. It is not actually saliva but stomach contents, so when the llama "spits", then it is more vomit a than saliva, which is why it smells strongly