Necrophilia is a sexual attraction or sexual act involving human corpses.
 The researchers theorized that either of the following situations could be antecedents to necrophilia:The necrophiliac develops poor self-esteem, perhaps due in part to a significant loss;(a) They are very fearful of rejection by others and they desire a sexual partner who is incapable of rejecting them; and(b) They are fearful of the dead, and transform their fearutilizing reaction formationinto a desire
=== Other animals ===Necrophilia has been observed in mammals, birds, reptiles, and frogs

