Pack animal Pack animal A pack animal or beast of burden is an individual or type of working animal used by humans as means of transporting materials by attaching them so their weight bears on the animal's back, in contrast to draft animals which pull loads but do not carry them. Traditional pack animals are diverse including camels, goats, yaks, reindeer, water buffaloes, and llamas as well as the more familiar pack animals like horses, donkeys and mules. The term "pack animal" is traditionally used in contrast to "draft animal", which is a working animal that typically pulls a load behind itself
Rational animal in the Arbor Porphyriana, man is a substance, corporeal, living, sentient, and rational". In Meditation II of "Meditations on First Philosophy", Descartes arrives at his famous "I think, I exist" claim. He then goes on to wonder "What am I?" He considers and rejects the scholastic concept of the "rational animal": Shall I say 'a rational animal'? No; for then I should have to inquire what an animal is, what rationality is, and in this one question would lead me down the slope to other harder ones. Freud was as aware as any of the irrational forces at work in