The characters Physical descriptions.
Scout. Jem Atticus Finch<span> Charles Baker Harris
Scout is the narrator
Jem is her older brother
Atticus Finch is her Father
Charles Baker Harris is her neighbor.
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He used riddling to talk to Smaug I think because he wanted to stall and waste time as he figured out a plan. He also used riddles to talk to Golem who he clearly was trying to stall to save himself as Golem wanted to kill and eat Bilbo. So it is a reoccurring theme of Bilbo and it makes sense.
If you are looking for a definition, it is EXTINCT because extinct means that animal or plant no longer is living and they have died out.
If you are looking for an actual animal, a woolly mammoth is an extinct animal.
HOPE THIS HELPS!!(: