This Marine IBA is identified using both tracking data and seaward extensions around breeding colonies. It falls within the Peru Exclusive Economic Zone (EEZ) and the Pacific, Southeast FAO ocean region. The site covers an area of 45595 km2 and borders the coastline. The depth ranges from 0 to 3351 m, with a mean annual wind speed of 1.64 m/s and mean annual sea surface temperature falls between 16.36 and 20.26 °C.
10 species trigger IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 3366-28673 individuals of Waved Albatross (CR) from Isla Espanola are present at the site during the Incubation (Apr-Aug) and Post-guard (Aug-Dec) life-history stages. 3600-8182 individuals of Cook's Petrel (VU) from Codfish Island/Whenua Hou are present at the site during the Non-breeding (May-Aug, Oct) life-history stage. Seaward extensions around breeding colonies; Isla Lobos de Tierra, Isla Lobos de Afuera, Humedales de Chimbote include key near-colony areas for breeding populations of Humboldt Penguin (VU) , Blue-footed Booby (LC) 22500-40500 individuals, Guanay Cormorant (NT) , Inca Tern (NT) , Red-legged Cormorant (NT) , Peruvian Booby (LC) and Peruvian Pelican (NT) 60000-576000 individuals.
BirdLife International (2020) Important Bird Areas factsheet: Humedales de Chimbote / Isla Lobos de Afuera / Isla Lobos de Tierra - Marine. Downloaded from http://www.birdlife.org on 30/09/2020.