“…Instead, they identify as a species of non-human animal that either currently exists or has existed and is now extinct” and an otherkin as a person “[identifying] as a nonhuman being that is typically considered mythical or fantasy-based (e.g., fairy, elf, unicorn).” The terms therianthropy and otherkinship refer to the lived experience of therians and otherkin; theriotype and kintype refer to the type of nonhuman animal or mythical creature as which they identify. Research on this experience is scarce, and previous studies have focused on identity formation (Grivell et al, 2014) and on the ways therians and otherkin draw on collective linguistic resources to make sense of their experience (Baldwin & Ripley, 2020; Proctor, 2018). This article contributes to the literature on this relatively unstudied phenomenon by drawing upon both phenomenology and integrated psychoanalytic theories of development to describe the lived experience of therianthropy and otherkinship and formulate an understanding of how the environment (natural and manmade) and the social milieu (social space, relationships, etc.)…”