Which bird species clears a dancing ground called a lek to impress females?

Sage grouse

Who is Hercules' trainer in the animated Disney film? Who directed the movie "Parasite", winner of Best Picture at the 2020 Oscars? What is the only country that shares a land border with Portugal? Which historic leader established the city of Alexandria in Egypt? Which major WWII battle in 1945 was fought on the volcanic island famous for the raising of the U.S. flag?