Royal Tern (Thalasseus maximus)
Illustration redrawn by AI from a real photograph

Royal Tern

Thalasseus maximus (Boddaert, 1783)

415 gWeight

The royal tern (Thalasseus maximus) is a tern in the family Laridae.

Busiest months: April · Most records: United States, Mexico, Costa Rica

Least Concern

Where and when it's recorded

Busiest months: April · Most records: United States, Mexico, Costa Rica

Royal Tern has been recorded at 772 of the 8,276 birding hotspots we track, in 52 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Fort De Soto ParkUnited States18,231 records
  2. South Padre Is. – WBC/Conv. Center/Laguna Madre TrailUnited States9,160 records
  3. Bolivar Flats Shorebird SanctuaryUnited States7,644 records
More places
  1. South Padre Is. – Birding and Nature CenterUnited States7,533 records
  2. San Diego River mudflatsUnited States7,211 records
  3. Rollover PassUnited States6,569 records
  4. Cape Island – Cape May Point SPUnited States5,439 records
  5. Huguenot Memorial City ParkUnited States5,423 records
  6. Cape Island – South Cape May MeadowsUnited States5,272 records
  7. San Carlos Bay/Bunche Beach PreserveUnited States5,161 records

Countries and regions with the most records

United StatesMexicoCosta RicaPanamaPuerto RicoBelizeUruguayCuba

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 royal tern (Thalasseus maximus) is a tern in the family Laridae. The species is endemic to the Americas, though vagrants have been identified in Europe.

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

Questions

How big is the Royal Tern?

The Royal Tern weighs around 415 g.

Where does the Royal Tern live?

Its breeding range: North America, Middle America, South America: coastal western North Atlantic from Virginia to Florida, Gulf of Mexico to southern Texas, Campeche Bank (northeastern Mexico), off northern Honduras, through West Indies and off northern Venezuela to French Guiana; southern California, northern Gulf of California to Sinaloa and Islands Tres Marias (off west-central Mexico) and disjunctly coastal southern Brazil, Uruguay and east-central Argentina. It is most often recorded in United States, Mexico and Costa Rica.

When is the best time to see the Royal Tern?

At the hotspots we track, it is recorded most in April (Northern Hemisphere).

Is the Royal Tern endangered?

The IUCN Red List classifies the Royal Tern as Least Concern.

What does the Royal Tern eat?

Main food: Fish, shrimp & shellfish.

What family is the Royal Tern in?

It belongs to the family Gulls, Terns, Skimmers (Laridae), order Charadriiformes.

At a glance

Weight
415 g
Habitat
Ocean
Diet
Fish, shrimp & shellfish
Lifestyle
Feeds in the air
Migration
Migratory
Conservation
Least Concern
More measurements
Wing
364 mm
Tail
154 mm
Bill
74 mm
Tarsus
33 mm

Averages from the AVONET dataset; length from field guides where available.

Range

North America, Middle America, South America: coastal western North Atlantic from Virginia to Florida, Gulf of Mexico to southern Texas, Campeche Bank (northeastern Mexico), off northern Honduras, through West Indies and off northern Venezuela to French Guiana; southern California, northern Gulf of California to Sinaloa and Islands Tres Marias (off west-central Mexico) and disjunctly coastal southern Brazil, Uruguay and east-central Argentina

Breeding range, IOC World Bird List 15.2

Classification

Genus
Thalasseus

Other birds in the genus Thalasseus

Royal Tern

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

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