TASK DEFINITION: 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 consistency, answers should be in all lower cased letters.
PROBLEM: Category: AFRICA 
Clue: Central Africa's short people

SOLUTION: the pygmies

PROBLEM: Category: TO PROTECT 
Clue: This "service" is best known for protecting the president, but also investigates forgery

SOLUTION: the secret service

PROBLEM: Category: SCIENCE & NATURE 
Clue: North American types of this bird include Montezuma, mountain & bobwhite

SOLUTION:
quail