“Theories can change as one’s knowledge expands. However, after over 40 years of delving into this enigma, my theory at this time is that they are a remnant of a demigod — celestial intervention; perhaps part great ape (orangutan?). The sentiency comes from the celestial intervention. They are definitely ‘physical’ but may also have an attribute that we don’t fully understand — nor is it answerable by classical science. Perhaps we also have this attribute, but were disconnected from it at one time, i.e., ‘Garden of Eden’.”

— Ron Moorehead, in an interview, when asked ‘What’ he thinks the creatures he recorded audio from ‘are’.