Is it possible to replicate his characters? Specifically ketzal

Great Thing!

Is there a way to create this character using this base? Here's some links for reference, I know there's only 2 images of her but I've been VERY attracted to this character whenever I see her and have wanted to make my own art but suck ass with a pencil

Character links from E621:

https://e621.net/posts/4400334

https://e621.net/posts/4400332

I, for the life of me, am having quite a hard time recreating the style decently well. Any tips and ideas?