Chikyuu no Latair

A shy, introverted kid named Kanade stumbles upon a mysterious pendant, and out pops Latair — a fairy who is, quite literally, the spirit of the Earth. Through Latair's magic, Kanade can transform into different animals, which means he's suddenly swimming through coral reefs as a sea turtle one episode and running across the savanna the next. Each journey introduces him to endangered species, and the show doesn't shy away from showing why these creatures are struggling. It's a 5-episode TV series based on a picture book, produced by Toon Harbor Works in collaboration with WWF Japan, so the ecosystem details are genuinely well-researched rather than hand-wavy. There's even a quiz segment made by QuizKnock baked into each episode to test what you just learned, which is a clever touch. The whole thing has this warm, gentle energy — Kanade slowly comes out of his shell by connecting with animals who can't speak for themselves, and it's honestly kind of moving for something so short. If you ever got attached to the educational vibes of something like Moyashimon, where learning about the natural world felt like the point rather than a side effect, this hits a similar nerve. Fans of older eco-focused anime like Inochi no Chikyuu will recognize the spirit here too, just updated for a modern audience. It's short, it's sweet, and you might actually learn something about biodiversity you didn't know.