Birds · La Saladita, Guerrero

Cocos Booby

Sula brewsteri

Spanish: Bobos

The Cocos booby (Sula brewsteri), formerly known as Brewster's booby, is a species of booby in the family Sulidae. It was formerly considered a subspecies of Brown booby, but it was split by the American Ornithological Society in 2024 due to morphological and behavioural differences. It is native to the east and central Pacific Ocean.

TaxonomyAves › Suliformes › Sulidae

Local records89 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)

Global records4,484 on iNaturalist

Most recent records2025 – 2026

Months of the 8 most recent records

JanFebMarAprMayJunJulAugSepOctNovDec

Recent local sightings

2026-05-04 — observation by adriang100
2026-02-16 — observation by zihuadean
2026-02-16 — observation by zihuadean
2026-02-11 — observation by iris1973
2025-11-10 — observation by kschnipp
2025-08-16 — observation by mkmalik

Interactive card with more photos, sounds and similar species Birds guide iNaturalist Wikipedia

Cite as: “Cocos Booby (Sula brewsteri) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/sula-brewsteri/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.