Ikimono KokuhoLiving Treasures of Japan
National Natural Monument
Birds

Blakiston's Fish Owl

Ketupa blakistoni blakistoni

Photo: Morten Ross / CC BY 4.0 / iNaturalist

Blakiston's fish owl is among the world's largest owls, with a wingspan of about 1.8 meters, living in Hokkaido forests with big rivers and lakes. It feeds mainly on fish and nests in hollows of large old trees. Very rare, it is also revered in Ainu culture, and it is protected as a Natural Monument.

Scientific name
Ketupa blakistoni blakistoni
Group
Birds
Prefectures
Hokkaido
Japanese Red List (Ministry of the Environment)
EndangeredMinistry of the Environment 5th Red List (2026)
日本語
シマフクロウ
简体中文
毛腿渔鸮

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Natural Monuments related to the Blakiston's Fish Owl

Where to see the Blakiston's Fish Owl

Facilities whose official websites show this animal on display. Exhibits can change, so check each facility's latest information before you go.

Map

Designated as a species without a fixed area. Markers show related prefectures.

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Frequently asked questions

Yes. The Blakiston's Fish Owl is protected as a Natural Monument (1 national and 0 prefectural designations). Each designated site is listed under "Natural Monuments related to the Blakiston's Fish Owl" on this page.

The Blakiston's Fish Owl is designated as a species without a fixed area and lives in places such as Hokkaido.

You can see the Blakiston's Fish Owl at Asahiyama Zoo, Kushiro Zoo, Sapporo Maruyama Zoo, Nasu Animal Kingdom, Akita Omoriyama Zoo, among others (confirmed on each facility's official website on 2026-10-15).

The Blakiston's Fish Owl is listed as "Endangered" in the Ministry of the Environment 5th Red List (2026) (listed as シマフクロウ).

Animals related to the Blakiston's Fish Owl

Animals in the same group or designated in the same area.

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