Ikimono KokuhoLiving Treasures of Japan
Prefectural Natural Monument
Birds

Black-crowned Night Heron

Nycticorax nycticorax

Photo: jitensha2021 / CC BY-NC 4.0 / iNaturalist

The Black-crowned Night Heron is a medium-sized heron with a blue-black head and back and white plumes trailing from the nape. Its Japanese name is said to come from an old Heian-period tale. Nocturnal, it hunts fish and frogs at the water's edge from dusk. Breeding colonies shared with gulls and other birds on islands in Miyagi are designated Natural Monuments.

Scientific name
Nycticorax nycticorax
Group
Birds
Prefectures
Miyagi
Japanese Red List (Ministry of the Environment)
VulnerableMinistry of the Environment 5th Red List (2026)
日本語
ゴイサギ
简体中文
夜鹭

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Natural Monuments related to the Black-crowned Night Heron

Where to see the Black-crowned Night Heron

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Frequently asked questions

Yes. The Black-crowned Night Heron is protected as a Natural Monument (0 national and 1 prefectural designations). Each designated site is listed under "Natural Monuments related to the Black-crowned Night Heron" on this page.

The Black-crowned Night Heron is designated as a species without a fixed area and lives in places such as Miyagi.

You can see the Black-crowned Night Heron at Sapporo Maruyama Zoo, Kobe Municipal Oji Zoo, Toyama Municipal Family Park, among others (confirmed on each facility's official website on 2026-10-15).

The Black-crowned Night Heron is listed as "Vulnerable" in the Ministry of the Environment 5th Red List (2026) (listed as ゴイサギ).

Animals related to the Black-crowned Night Heron

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