Atmospheric ghost lights

thumb|upright=1.35|The Will o' the Wisp and the Snake by Hermann Hendrich (1854–1931)

weather phenomenon

extremely rare unexplained atmospheric electrical phenomenon

optical phenomenon

unexplained light usually seen in the Hessdalen valley in Norway

thumb|160px|right|Hitodama from the Konjaku Gazu Zoku Hyakki by [[Toriyama Sekien]]

thumb|Ushi-oni, from Bakemono no e scroll, [[Brigham Young University]] right|thumb|"Ushi-oni" (うし鬼) from the Hyakkai Zukan by Sawaki Suushi right|thumb|upright|"Ushi-oni" (牛鬼) from the Gazu Hyakki Yagyō by [[Sekien Toriyama]] The , or gyūki, is a yōkai from the folklore of western Japan. The folklore describes more than one kind of ushi-oni, but the depiction of a bovine-headed monster occurs in most. Ushi-oni generally appear on beaches and attack people who walk there.

atmospheric phenomenon

thumb|The Bakemono [[Tsukushi Emaki, author unknown (late Edo period)]]

unusual lights seen in West Texas

right|thumb|264px|Furaribi (ふらり火) from the Hyakkai Zukan by Sawaki Suushi right|thumb|200px|Furaribi (ふらり火) from the Gazu Hyakki Yagyō by [[Sekien Toriyama]] thumb|Furaribi () from Bakemono no e (, ), Harry F. Bruning Collection of Japanese Books and Manuscripts, L. Tom Perry Special Collections, [[Harold B. Lee Library, Brigham Young University.|alt=]] The furaribi () is a fire yōkai that appears in Japanese classical yōkai pictures such as in the Gazu Hyakki Yagyō by Sekien Toriyama, the Hyakkai Zukan by Sawaki Suushi, and the Bakemonozukushi by an unknown author.

thumb|Onibi (Wakan Sansai Zue) is a type of atmospheric ghost light in legends of Japan. According to folklore, they are the spirits born from the corpses of humans and animals. They are also said to be resentful people that have become fire and appeared. Also, sometimes the words "will-o'-the-wisp" or "jack-o'-lantern" are translated into Japanese as "onibi".

Japanese folk tale based on atmospheric lights

lights (or fires) of unknown origin

atmospheric "ghost light" told about in Kyushu

Ghost lights reported near Brown Mountain

right|thumb|200px|"Chōchin no hi" (提灯火) from the Konjaku Gazu Zoku Hyakki by [[Sekien Toriyama]] Chōchinbi (提灯火) is a type of onibi, told in legends in each area of Japan.