https://www.eastoftheweb.com/short-stories/UBooks/TheyMade.s... - love this short story and its take on that question.

Some things on Earth (especially in the ocean) you'd think were extraterrestrial... What a gift to still be able to find such amazing animals out there.

Isn't life on this planet also life out in the universe? It depends on your point of view.

[1] Pale blue dot - Carl Sagan https://www.youtube.com/watch?v=wupToqz1e2g

Sounds like you might be interested in “The Zoologist’s Guide to the Galaxy”.

https://en.wikipedia.org/wiki/The_Zoologist%27s_Guide_to_the...