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.

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

[EX Q]: Category: WHAT SHOULD I "DU"? 
Clue: A philosophical system that seeks to explain all phenomena in terms of 2 distinct principles
[EX A]: dualism

[EX Q]: Category: FOR BIRD BRAINS 
Clue: Named for a prominent feature, it's the bird seen here
[EX A]:
the roseate spoonbill