This Marine IBA is identified using seaward extensions around breeding colonies. It originates from the Russia (Asian) Exclusive Economic Zone (EEZ) and falls within the Pacific, Northwest FAO ocean region. The site covers an area of 3153 km2 and borders the coastline. The depth ranges from 0 to 124 m and mean annual sea surface temperature falls between 4.6 and 5.87 °C.
6 species trigger IBA criteria at this Marine IBA. Seaward extensions around breeding colonies; Bogoslova island, Vasiliya islands include key near-colony areas for breeding populations of Black-legged Kittiwake (LC) , Common Murre (LC) and Thick-billed Murre (LC).
BirdLife International (2020) Important Bird Areas factsheet: Bogoslova island / Vasiliya islands - Marine. Downloaded from http://www.birdlife.org on 07/08/2020.