The Kinsey reports rated the percentage of people who had sexual interaction with animals at some point in their lives as 8% for men and 3.6% for women, and claimed it was 40–50% in people living near farms, but some later writers dispute the figures, because the study lacked a random sample in that it included a disproportionate number of prisoners, causing sampling bias.
are other terms closely related to the subject but are less synonymous with the former terms, and are seldom used.
"Bestiosexuality" was discussed briefly by Allen (1979), but never became widely established.
A frequent interest in and sexual excitement at watching animals mate is cited as an indicator of latent zoophilia by Massen (1994).
Sexual fantasies about zoophilic acts can occur in people who do not have any wish to experience them in real life.
Zoophilia has been partly discussed by several sciences: Psychology (the study of the human mind), sexology (a relatively new discipline primarily studying human sexuality), ethology (the study of animal behavior), and anthrozoology (the study of human-animal interactions and bonds).