Cocos Island, Guam

Country/territory: Guam (to USA)

IBA Criteria met: A1, A2 (2014)
For more information about IBA criteria please click here

Area: 39 ha

Most recent IBA monitoring assessment
Year of assessment Threat score (pressure) Condition score (state) Action score (response)
2014 high favourable low
For more information about IBA monitoring please click here

Site summary
Cocos Island (Chamorro: Islan Dåno) is an island 1 mile (1.6 km) off the southern tip of the United States territory of Guam, located within the Merizo Barrier Reef, part of the municipality of Merizo. The island is uninhabited, 1,600 meters (5,200 ft) long in a southwest-northeast direction, but only between 200 m (660 ft) and 300 m (980 ft) wide, and has an area of 386,303 m2 (95.458 acres).[1] It sits atop the southwestern coral reef rim of Cocos Lagoon.  The west coast of the island is a day resort. 

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Cocos Island, Guam. Downloaded from on 20/10/2021.