|Central coordinates||139o 48.00' East 41o 21.00' North|
|IBA criteria||A4i, A4ii, A4iii|
|Altitude||0 - 300m|
|Year of IBA assessment||2004|
Site description Matsumaekojima islet is located at 24 km off shore of Matsumae Town, southwest of Hokkaido. It is an uninhabited islet of about 4km perimeter. Most parts of the islet are grasslands, with Acer mono at Goten basin on the crater area. Coastal parts are all steep cliffs and so it will be impossible to come to the islet by sea. The colony of Rhinoceros Auklet, that used to be at the west side of Benten Shrine, has moved to the coast of Mt Kitadake. Around Matsumaekojima islet, there are large and small islets such as Daihiyakushima, Shohiyakushima, Tenjinshima and Sazaeshima. Many seabirds breed here.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Black-tailed Gull Larus crassirostris||breeding||2004||present||-||A4i||Least Concern|
|Rhinoceros Auklet Cerorhinca monocerata||breeding||2004||present||-||A4ii||Least Concern|
|A4iii Species group - seabirds||breeding||2004||min 10,000 breeding pairs||-||A4iii|
|Protected area||Designation||Area (ha)||Relationship with IBA||Overlap with IBA (ha)|
|Matsumae (Hokkaido)||Fisheries Resources Protected Area||14||unknown||0|
|IUCN habitat||Habitat detail||Extent (% of site)|
|Coastline||Sea cliffs and rocky shores||-|
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Recommended citation BirdLife International (2015) Important Bird and Biodiversity Area factsheet: Matsumae islets. Downloaded from http://www.birdlife.org on 30/11/2015
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