What is the only mammal naturally capable of true and sustained flight?

More Questions:

Excluding the Umpires, how many players take part at the same time in a game of cricket?

What year was the US an Olympic Games host for the first time?

What NBA star made an ill-fated trip to Eagle, Colorado, in 2003 for knee surgery?

Which artist had his wish for 60 beggars to follow his coffin to the grave?

The Silicon Valley is located in what California valley?

What is the chemical symbol for Sodium?

What was the short lived game show that Betty White won an Emmy award for hosting in 1983?

Which famous actress is Liza Minnelli's mother?

What full feature movie marked Steven Spielberg's directorial debut?

What does the "J." stand for in Michael J. Fox's name?

What year was the film "The Day of the Jackal" released?

What is Biff's last name in the "Back to the Future" movies?

Which Apollo 11 astronaut did not set foot on the moon?

In what decade was the Social Security Act signed into law?

Who won the fourth Super Bowl?