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Pseudonym reading Sanganji Oomizu Nagori and Hikaru Rose Mitsubame Hanzokuchi
Specified type Country designation
Type Natural monuments and animals
Designated date December 24, 1935
Specified details
location Kamaishi City Hakozakicho
owner Kamaishi
Holding group
Management organization Kamaishi
home page Kamaishi City (Sanuki Island)


Sanuki Island is an uninhabited island located approximately 11 km northeast of Kamaishi Port and 1 km southeast of Odezaki on the southern end of Oboxaki.
The waterfowl are the largest seabirds of the waterfowl family, gray on the back, pure white on the underside of the body, brown on the head, and about 30 cm in wing length.
I flew off the island early in the morning, found small fish etc. in the ocean, and returned to the nest around evening sunset.
It is about 2-3 months to come to the island, and the burrow is a horizontal hole with a diameter of 20 to 30 cm and a length of 1 to 5 m.
They lay eggs in the depths of the burrow in June and July, grow their chicks and leave the island at the same time as the first winter.
Himekurou nestle nests in the rocky spot on the southern end of Sannuki Island.
The burrow is about 10 cm in diameter, and it is said that the burrow of the water fowl is sometimes used.
They fly to the island around May and lay eggs.
I will go south in October.
The island has a native-forest-like flavor, with the main feature being tabacco, and in addition to these seabirds, black-crested-row honeybees and sea cucumbers also breed.