Reference

Creatures, I've got the reference for myself:

https://www.furaffinity.net/view/43507237 (snow version)

https://www.furaffinity.net/view/43556658/ (space version)

Done by talented https://www.furaffinity.net/user/margoevergarden aka https://vk.com/id380988729 (also visit her group: https://vk.com/puchglazi)

Of course it's under CC-BY-SA, so feel free to ask me about source files.