
Inca Tern
Larosterna inca (Lesson, RP & Garnot, 1827)
39–42 cmLength219 gWeight
The Inca tern (Larosterna inca) is a near-threatened species of tern in the subfamily Sterninae of the family Laridae (the gulls, terns, and skimmers).
Busiest months: May and October–November · Most records: Chile, Peru, Ecuador
Where and when it's recorded
Inca Tern has been recorded at 49 of the 8,171 birding hotspots we track, in 4 countries and regions.
Records by month Southern Hemisphere
Where it's recorded most
- Refugio de Vida Silvestre Los Pantanos de Villa – Laguna Costera y Playa MarvillaPeru1,077 records
- Reñaca – MontemarChile1,051 records
- Isla PucusanaPeru901 records
More places
- Quintero – PelágicoChile781 records
- Río Lluta – DesembocaduraChile756 records
- Valparaíso – PelágicoChile717 records
- Refugio de Vida Silvestre Los Pantanos de VillaPeru447 records
- Río Aconcagua – Desembocadura Humedal UrbanoChile403 records
- SN Humedal Río Maipo – DesembocaduraChile338 records
- Humedal de ChilcaPeru214 records
Countries and regions with the most records
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
The Inca tern (Larosterna inca) is a near-threatened species of tern in the subfamily Sterninae of the family Laridae (the gulls, terns, and skimmers). It is found along the Pacific coasts of Chile, Ecuador and Perú, and has appeared as a vagrant in Central America and Hawaii.
Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia
Questions
How big is the Inca Tern?
The Inca Tern is about 39–42 cm long and weighs around 219 g.
Where does the Inca Tern live?
Its breeding range: South America: coastal northern Peru to central Chile. It is most often recorded in Chile, Peru and Ecuador.
When is the best time to see the Inca Tern?
At the hotspots we track, it is recorded most in May, October and November (Southern Hemisphere).
Is the Inca Tern endangered?
The IUCN Red List classifies the Inca Tern as Near Threatened.
What does the Inca Tern eat?
Main food: Fish, shrimp & shellfish.
What family is the Inca Tern in?
It belongs to the family Gulls, Terns, Skimmers (Laridae), order Charadriiformes.
At a glance
- Length
- 39–42 cm
- Weight
- 219 g
- Habitat
- Ocean
- Diet
- Fish, shrimp & shellfish
- Lifestyle
- Feeds in the air
- Migration
- Partial migrant
- Conservation
- Near Threatened
More measurements
- Wing
- 277 mm
- Tail
- 133 mm
- Bill
- 49 mm
- Tarsus
- 23 mm
Averages from the AVONET dataset; length from field guides where available.
Range
South America: coastal northern Peru to central Chile
Breeding range, IOC World Bird List 15.2
Classification
- Order
- Charadriiformes
- Family
- Gulls, Terns, Skimmers Laridae
- Genus
- Larosterna
More from the family Gulls, Terns, Skimmers

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Ernesto Octavio Guzman Tapia. ↗
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