Why not? Were they habitats destroyed and they were going instinct?

[ The logical answer for something not being common. Sky Bison aren't common, either, but for dissimilar reasons. They might be the first Airbenders, but their not mythical creatures after all... ]

[ The question earns a pause as she thinks about it; Racking her brain over the various names of animals that she knows (which is a lot) before decidingly nodding. ]

I think so? Dragons are the only ones I can think of that don't have two words to describe them. [ And they're dragons. ] Oh, and I guess just 'fish'.

[ There's probably some other small animals, but she doesn't know them. They're not relative, really. That's normal to her, but the idea that it's not just this place who might have different animals to her is fascinating - and strange. ]

[ Another problem for later Jinora since she's more interested in her own question at the moment - even if she deflates a little - less like a young scholar and more like someone interested in hearing romance stories. ]

Just all right, huh...

[ Disappointment! ]