Ezo flying squirrel; Pteromys volans orii
A subspecies of the Siberian flying squirrel endemic to Hokkaido. Often referred to by its katakana name.
The Ezo flying squirrel inhabits the forests of Hokkaido.
The nocturnal Ezo flying squirrel glides from tree to tree.
Refers to flying squirrels in general, while エゾモモンガ specifies the Hokkaido subspecies.
Katakana spelling is standard for this animal name; usually written in kana.
Kanji spelling is rare and mainly found in older or specialized texts.
From 蝦夷 (Ezo, old name for Hokkaido) + 鼯鼠 (momonga, flying squirrel). The katakana spelling is standard for this animal name.