You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

Category: ALL ABOUT ANIMALS 
Clue: A type of beetle & a species of seal are named for this large land herbivore
an elephant

Category: THE U.S. SENATE 
Clue: Generally the Senate ends the day by doing this, rather than adjourning
recessing

Category: AMERICAN LITERATURE 
Clue: This novel of high society made Edith Wharton the first female winner of the Pulitzer Prize for Fiction

"the age of innocence"