The depth-psychology corpus treats ‘animal nature’ as one of its most contested and generative sites of inquiry. At one pole stands the dominant Jungian-analytical position, articulated with precision by Hillman’s critique: animal figures in dreams are routinely reduced to representations of instinctual drives, phylogenetically older psychic strata, or compensatory forces for an over-rationalized ego. Dream pigs become ‘piggish nature’; lion dreams index the power instinct. This interiorization, Hillman argues, colonizes the animal as a mirror of human psychology and erases it as an autonomous other with its own integrity. Against this stands Hillman’s archival-phenomenological counter-position—drawing on Egyptian religion, shamanic traditions, and depth-ecological thought—that animal nature is irreducibly external, possessing a lumen naturalis from which human reflective consciousness is derived rather than projected. A third current, visible in Jodorowsky’s Tarot hermeneutics and in Nichols’s Jungian commentary, treats the relationship between human and animal nature as a dynamic tension requiring neither suppression nor inflation but a carefully maintained ‘communication’ between instinctual and intellectual registers. The Stoic and Aristotelian background texts supply the philosophical grammar underlying these debates: the question of whether animal nature is simply the substrate from which rational nature departs, or whether it remains constitutive of the fully realized human being. The stakes are simultaneously cosmological, ethical, and clinical.