fun 'n games: what's another term for a badminton bird?

Questions

What is the largest bird after the ostrich?

What does the Colorado Whip-poor-will do that distinguishes it from every other kind of bird?

What remained closed for 3000 years until Feb 1923?

Where are Eriador, Rhun, Gondor and the Bay of Belfalas?

What are ringers and jillaroos?