Something entirely different is said to be "a ___ of a different color". Which animal fills the blank?

Complete the name of the eerie light seen over marshes at night: "will-o'-the-___". Which word names both a thin sheet of metal and a fencing weapon? A more sexually explicit version of which 1928 D.H. Lawrence novel was finally published legally in the U.S. in 1959? Complete Gertrude Stein's famous line: "A ___ is a ___ is a ___ is a ___". Saad Eddin Ibrahim, a critic of President Hosni Mubarak, was cleared on retrial in 2003 of defaming which country? Which silent film star was known as "The Man of a Thousand Faces"? Mischievous Dennis Mitchell is better known as Dennis the what? Which word for a group is often used in the phrase "a ___ of beauties"?