Heermann's Gull
Larus heermanni
Spanish: Gaviota Plomiza

The Heermann's gull (Larus heermanni) is a gull resident in the United States, Mexico and extreme southwestern British Columbia, nearly all nesting on Isla Rasa in the Gulf of California. They are usually found near shores or well out to sea, very rarely inland. The species is named after Adolphus Lewis Heermann, nineteenth-century explorer and naturalist. Most often recorded in Jul.
- 2026-07-27 — observation by aleskander
- 2019-07-20 — observation by quimicus
Interactive card with more photos, sounds and similar species Birds guide iNaturalist Wikipedia
Cite as: “Heermann's Gull (Larus heermanni) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/larus-heermanni/, 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.