What is birdbell?

Which birds hover over roads? Are there ravens in the Cotswolds above Laverton and Buckland? Is it unlucky if you hear owl make sound? What is the legal limit on bald eagles in the us? Is brass safe for parrots? What is the actual name of the bald eagle? Does gard silent bird repeller work? Do eagles have backbone? How do you kill a seagull? Collecting quail eggs? A group of doves is what? A compound word for bird fish and walk? Is it an offense to kill a bat when it's in your house? What is the name of the adult swan? What do emus do to get a mate? What is a turkey's name in Old English? Do cockatiels have strokes? What if you stop taking Fosamax cold turkey? What is the outer covering of sparrows and eagle? When did 'Can a parrot eat a carrot' by spike milligan written?