Photo: Cláudio D. Timm / CC BY 2.0 (Wikimedia Commons)
Olrog’s Gull
Larus atlanticus
Olrog's Gull (Larus atlanticus) — Shorebirds, Gulls & Auks of South America.
Found across 4 guides in our atlas — open any for the full checklist, photos and what's around right now.
The Olrog’s Gull (Larus atlanticus) is a member of the Laridae family found in South America. Adults weigh 842 g. The IUCN Red List lists it as Near Threatened.
Conservation status
IUCN Red List (opens in a new tab)Close to qualifying for a threatened category in the near future.
Where it fits
- Class Aves
- Order Charadriiformes
- Family Laridae Gulls, Terns, Skimmers
- Genus Larus
- Species atlanticus
Where it lives
Coastal southern Buenos Aires and Chubut provinces (northeastern, east-central Argentina)
Quick facts
- Weight
- 842 g
- Diet
- Aquatic hunters
- Family
- Laridae
- Order
- Charadriiformes
- Habitat
- Wetland, lake & coast
How to identify
Similar birds
Least Concern
Not Evaluated
Least Concern
Least Concern
Biology & behaviour
Diet
The Olrog’s Gull hunts aquatic prey such as fish and aquatic invertebrates.
Behaviour
A bird of coastal habitats, it is highly aerial, spending much of its time on the wing.
Migration
The Olrog’s Gull is partially migratory: some populations move with the seasons while others stay resident year-round.
The Olrog’s Gull (Larus atlanticus) is a species of bird in the Laridae family, part of the order Charadriiformes. Its range spans South America. Its distribution covers SA coastal s Buenos Aires and Chubut provinces (ne, ec Argentina).
It is a large bird. Adults weighs around 842 g, with a wing length of about 39.2 cm and a tail of around 14.1 cm.
The IUCN Red List lists it as Near Threatened. That means it is close to qualifying as threatened and is worth keeping a careful eye on.
The species has a mapped global range of roughly 50,000 km².
Frequently asked questions
How big is the Olrog’s Gull?
The Olrog’s Gull is a large bird that weighs around 842 g.
Where does the Olrog’s Gull live?
The Olrog’s Gull is found across South America with a range covering SA coastal s Buenos Aires and Chubut provinces (ne, ec Argentina), where it is associated with wetlands, lakes and other open water.
What family does the Olrog’s Gull belong to?
The Olrog’s Gull (Larus atlanticus) belongs to the Laridae family, in the order Charadriiformes.
What does the Olrog’s Gull eat?
The Olrog’s Gull hunts aquatic prey such as fish and aquatic invertebrates.
Does the Olrog’s Gull migrate?
The Olrog’s Gull is partially migratory: some populations move with the seasons while others stay resident year-round.
Is the Olrog’s Gull endangered?
The IUCN Red List lists it as Near Threatened That means it is close to qualifying as threatened and is worth keeping a careful eye on.
How large is the Olrog’s Gull's range?
The Olrog’s Gull has a mapped global range of about 50,000 km².
Conservation
Every bird benefits from bird-safe windows, native plants, and keeping cats indoors. Small changes at home add up to real protection.
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