Raichō
... The characters 雷鳥 mean literally "thunder/lightning" and "bird" in Japanese, but the compound word 雷鳥 (raichō) is the name of Lagopus muta, the Rock Ptarmigan, not a mythological creature ... The raichō bird is said to live in the Mount Tate range and is the prefectural bird of Toyama, Nagano, and Gifu Prefectures ...