Donkey: Domesticated: Carrying Burdens
Source: Nav
Genesis 42:26
and they loaded the grain on their donkeys and departed.
2 Samuel 16:1
When David had gone a little beyond the summit, Ziba the servant of Mephibosheth was there to meet him. He had a pair of saddled donkeys loaded with two hundred loaves of bread, a hundred clusters of raisins, a hundred summer fruits, and a skin of wine.
Isaiah 30:6
This is the burden against the beasts of the Negev: Through a land of hardship and distress, of lioness and lion, of viper and flying serpent, they carry their wealth on the backs of donkeys and their treasures on the humps of camels, to a people of no profit to them.