Smaller than the brown bear, occupying Honshu's mountains. Subtropical Islands: The Nansei and Ryukyu Chains
Kushiro Marshlands (Hokkaido). The Experience: In Japanese folklore, the crane is said to live for 1,000 years and is a symbol of luck, longevity, and fidelity. Seeing a Red-Crowned Crane in the wild is a spiritual experience. In the snowy plains of Hokkaido, these elegant birds perform graceful mating dances, bowing and leaping against a stark white backdrop. Conservation efforts have brought them back from the brink of extinction, making them a true success story. animals found in japan
Found only on the remote Tsushima Island between Japan and Korea, this small, spotted wildcat is critically endangered (fewer than 100 remain). Threats include roadkill and genetic isolation. It is considered a national treasure and a symbol of the island. Smaller than the brown bear, occupying Honshu's mountains
A mysterious, goat-antelope relative known as nihon kamoshika . With its shaggy grey coat and bushy beard, the serow is a symbol of the untouched mountain forests. Once endangered by hunting, it is now protected and relatively common in the alpine zones of Honshu and Kyushu. Seeing a Red-Crowned Crane in the wild is
Critically endangered wildcat found only on Iriomote Island.
If you want to see wildlife without trekking into the deep woods, check out Nara Park for its famous "bowing" deer or Okunoshima (Rabbit Island) for hundreds of friendly bunnies!
Wildlife in Japan + 1 year stay, suggestions : r/JapanTravel