I like little TIL posts like this, introducing new tools and sharing first-hand experiences with them. Working around restrictions (like using animations in Github Markdown) leads to this kind of creative stuff.
I looked at the resulting SVG
https://koaning.io/posts/svg-gifs/parrot.svg and realised that a lot of inline SVG elements are used within inline SVG within..the SVG. I've never seen that before. So thank you very much for sharing.