Adult man grunt, single, short
Pigs snorting, screeching, grunting, breathing and the sound of a metal gate
Camel grunting, long, exasperated.
Long, guttural camel groan.
Man with deep voice clearing throat, dryly.
Early forties male clearing throat pointedly.
Early forties male clearing throat in a series.
Otter chirping and grunting.