Ornithomancy: Noun; rarely used; divination by means of the flight and cries of birds; augury. From Byzantine Greek ὀρνιθομαντεία divination from birds, augury from ancient Greek ὀρνιθο- + μαντεία (Oxford Dictionary).

I predict that the person who eats fish and chips at the seaside will be attacked by gulls and is likely also to get pooped upon!