Olrog's Gull

Larus atlanticus Olrog, 1958

842 gWeight

Olrog's gull (Larus atlanticus) is a species of gull found along the Atlantic coast of southern Brazil, Uruguay, and northern Argentina.

Busiest months: June–July · Most records: Argentina, Uruguay, Brazil

Near Threatened

Where and when it's recorded

Busiest months: June–July · Most records: Argentina, Uruguay, Brazil

Olrog's Gull has been recorded at 31 of the 8,276 birding hotspots we track, in 3 countries and regions.

Records by month Southern Hemisphere

Where it's recorded most

Reserva Natural Municipal Punta RasaArgentina472 records
Mar ChiquitaArgentina435 records
Laguna José Ignacio – Área sur y DesembocaduraUruguay286 records

More places

San Clemente del Tuyú – PuertoArgentina232 records
(IBA) Esteros del Arroyo Maldonado – ÁreaUruguay96 records
Reserva Natural Puerto Mar del PlataArgentina93 records
Reserva Ecológica Costanera SurArgentina75 records
PP Laguna de Rocha – Zona Sur y BarraUruguay67 records
Reserva Natural Playa PeninoUruguay40 records
Mar de CoboArgentina24 records

Countries and regions with the most records

Argentina Uruguay Brazil

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

Olrog's gull (Larus atlanticus) is a species of gull found along the Atlantic coast of southern Brazil, Uruguay, and northern Argentina. It was formerly considered a subspecies of the very similar L. belcheri. It is a large gull with a black back and wings, white head and underparts, a black band in the otherwise white tail, and a yellow bill with a red and black tip.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Olrog's Gull?

The Olrog's Gull weighs around 842 g.

Where does the Olrog's Gull live?

Its breeding range: South America: coastal southern Buenos Aires and Chubut provinces (northeastern, east-central Argentina). It is most often recorded in Argentina, Uruguay and Brazil.