Subscribe | UPI Odd Newsletter Subscribe EDINBURGH, Scotland, Aug. 21 (UPI) -- A travel website with headquarters in Scotland said bizarre items left on passenger planes include dentures, onions and a box of dried fish. Skyscanner said a survey of 700 international cabin crew members from 83 countries found some of the unusual items found left on planes also include a single egg, a toupee, a double bass, a wedding dress, a written marriage proposal, diamonds and bags of sand, The Daily Telegraph reported Wednesday. Advertisement Pets found left behind on planes included a parrot, a falcon, a frog and a tortoise. The most common items reported by the flight crews were passports, phones and books.