User blog comment:(2142)Gen.Reaper/Dragon Extinction in HTTYD3?/@comment-24018437-20140825091212

According too they first Book, Dragons are hibernating deep under the ocean, so they're not realy exstinct.

And I Personally believe it Turns out Humans and Dragons can't live in peace fully, and that will be the reason. It would be cool if they made a movie version of the Dragon Furious!