Single girls who want to find out who they'll fall in love with should go birdwatching on Valentine's Day, according to an ancient art called ornithomancy.    From Wordnik.com.  [Medindia Health News] Reference

Other sets of synonyms include, in addition to the aforementioned haruspicy and haruspication: caloptromancy and enoptromancy; spodomancy and tephramancy (or tephromancy); alectryomancy and alectoromancy; astromancy and sideromancy; crystallomancy and gastromancy; hieromancy and hieroscopy; necromancy and sciomancy; ornithomancy and orniscopy; and scapulimancy and omoplatoscopy.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol VI No 2] Reference

It is the art of ornithomancy.    From Wordnik.com.  [10,000 Birds] Reference

14. ornithomancy 14. movements of mice.    From Wordnik.com.  [VERBATIM: The Language Quarterly Vol VI No 2] Reference