Spectacled tern Spectacled tern The spectacled tern ("Onychoprion lunatus"), also known as the grey-backed tern, is a seabird in the family Laridae. A close relative of the bridled and sooty terns (with which it is sometimes confused), the spectacled tern is less common than the other members of its genus and it has been studied less. The three species, along with the Aleutian tern were recently split into a new genus "Onychoprion" from "Sterna" (Bridge "et al.", 2005). They resemble the sooty tern but with a grey back instead of a black one. Their breast and underparts are white, and they have
Numerology games, players may employ "lucky numbers" to find what they think will help them. There is no evidence that any such "numerological strategy" yields a better outcome than pure chance, but the methods are sometimes encouraged, e.g. by casino owners. Numerology is a popular plot device in fiction. Sometimes it is a casual element used for comic effect, such as in an episode titled "The Séance" of the 1950s TV sitcom "I Love Lucy", where Lucy dabbles in numerology. Sometimes it is a central motif of the storyline, such as the movie "π", in which the protagonist meets a numerologist