This Marine IBA is identified using both tracking data and seaward extensions around breeding colonies. It falls within the Ecuador Exclusive Economic Zone (EEZ) and the Pacific, Southeast FAO ocean region. The site covers an area of 51442 km2 and borders the coastline. The depth ranges from 0 to 3632 m, with a mean annual wind speed of 1.51 m/s, mean annual sea surface temperature falls between 21.2 and 23.84 °C and mean annual chlorophyll-a concentrations found to range between 0.26 and 1.18 mg/m3.
10 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 3366-32365 individuals of Waved Albatross (CR) from Isla Espanola are present at the site during the Brood-guard (Jun-Sep), Incubation (Apr-Aug) and Post-guard (Aug-Dec) life-history stages. 126-339 individuals of Galapagos Petrel (CR) from Galapagos are present at the site during the Post-guard (Jul-Feb) life-history stage. Seaward extensions around breeding colonies; Áreas costeras de Fernandina y del occidente de Isabela, Isla Española, Isla Floreana, Isla San Cristóbal, Puerto Ayora, Tierras altas de Isabela, Tierras altas de Santa Cruz, Tierras altas de Santiago include key near-colony areas for breeding populations of Galapagos Petrel (CR) , Flightless Cormorant (VU) , Swallow-tailed Gull (LC) , Red-billed Tropicbird (LC) , Audubon's Shearwater (LC) and Blue-footed Booby (LC).
BirdLife International (2020) Important Bird Areas factsheet: Galápagos Colony Extensions - Marine. Downloaded from http://www.birdlife.org on 10/07/2020.