Detailed Instructions: 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.
Q: Category: ARBOREAL MAMMALS 
Clue: Of the genus Phascolarctos, it's 23-33" tall with a stout gray or brown body, a big round nose & strong claws
A:
a koala