both disciplines are studying the same archetypal phenomena, but from opposite ends: Jungian psychology is focused on their introverted psychic manifestations, while ethology has examined their extroverted behavioural expression.
This passage advances the strongest programmatic claim in the corpus: ethology and Jungian depth-psychology are complementary investigations of the same archetypal substrate, differing only in their direction of inquiry.
, The Handbook of Jungian Psychology: Theory, Practice and Applications, 2006thesis