Ikimono KokuhoLiving Treasures of Japan
National Natural Monument
Birds

Swinhoe's Storm Petrel

Hydrobates monorhis

Photo: Joseph Smit / Public domain / Wikimedia Commons

Swinhoe's Storm Petrel is a small storm petrel, dark brown nearly all over. It feeds at sea on small plankton and fish and comes ashore to breed in burrows. Sanganjima in Iwate is known as a site where it breeds together with Streaked Shearwaters, and the colony is designated a national Natural Monument.

Scientific name
Hydrobates monorhis
Group
Birds
Prefectures
Iwate
Japanese Red List (Ministry of the Environment)
VulnerableMinistry of the Environment 5th Red List (2026)
日本語
ヒメクロウミツバメ
简体中文
黑叉尾海燕

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Natural Monuments related to the Swinhoe's Storm Petrel

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Frequently asked questions

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

The Swinhoe's Storm Petrel is designated as a species without a fixed area and lives in places such as Iwate.

The Swinhoe's Storm Petrel is listed as "Vulnerable" in the Ministry of the Environment 5th Red List (2026) (listed as ヒメクロウミツバメ).

Animals related to the Swinhoe's Storm Petrel

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

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