What is the most populous bird in the world?

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What is the name given to the Cricketer's Year book, where all cricketing laws and scores are reported?

The sousaphone is a marching-band version of what symphony instrument?

Cha dao is the art of what?

What organization was formed to replace "The League of Nations"?

What month's birthstone places highest on the Mohs scale?

What Science-fiction author founded the Church of Scientology in 1953?

Who wrote the book "Billy Budd"?

In The Green Lantern comic book series, what is the color used to represent will power?

What is the tallest mountain in the world that is not part of the Himalayas or the Andes?

In what country would you find the active volcano "Etna"?

What British TV series featured David Brent and Gareth Keenan?

What double-word song title was a hit single by Elvis Costello?

What young actor played Forrest's son in the movie "Forrest Gump"?

What did the US Federal Reserve system do a record seventeen consecutive times between 2004 and 2006?

Which electronic duo did The Weeknd collaborate with for his song, "Starboy"?