JP_M011
Kazan-Retto Islands - Marine


Country/territory: Japan
IBA Justification: A1, A4ii (2016)

Area: 372 hectares (3.72 km2)

BirdLife Partner(s): Wild Bird Society of Japan


Site description (2012 baseline)
This Marine IBA is identified using seaward extensions around breeding colonies. It originates from the Japan Exclusive Economic Zone (EEZ) and falls within the Pacific, Northwest FAO ocean region. The site covers an area of 4 km2 and borders the coastline. The depth ranges from 0 to 7 m.

Key biodiversity
2 species trigger IBA criteria at this Marine IBA. Seaward extensions around breeding colony; Iwo islands include key near-colony areas for breeding populations of Matsudaira's Storm-petrel (DD) and Red-tailed Tropicbird (LC).


Recommended citation
BirdLife International (2025) Important Bird Area factsheet: Kazan-Retto Islands - Marine (Japan). Downloaded from https://datazone.birdlife.org/site/factsheet/kazan-retto-islands--marine-iba-japan on 13/01/2025.