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.

[EX Q]: Category: SCIENCE GUYS 
Clue: Eugene Dubois died in 1940 still believing his "Java Man" to be this legendary connector between man & ape
[EX A]: the missing link

[EX Q]: Category: BODY LANGUAGE 
Clue: When vou're idle or just plain bored, you do this with your pollex digits, literally or figuratively
[EX A]: twiddle your thumbs

[EX Q]: Category: OUR AVIAN FRIENDS 
Clue: This tiny bird drinks nectar at the rate of about 13 licks per second
[EX A]:
hummingbird