Sterne royale vs Sterne caugek

Thalasseus maximus compared with Thalasseus sandvicensis

Taxonomic Classification

Rank	Sterne royale	Sterne caugek
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (oiseau)	Aves (oiseau)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Thalasseus	Thalasseus
Species	Thalasseus maximus	Thalasseus sandvicensis

Evolutionary Relationship

Sterne royale and Sterne caugek share a common ancestor at the Genus level: Thalasseus.

Conservation Status

Sterne royale

LC — Least Concern

Sterne caugek

LC — Least Concern

Physical Characteristics

Attribute	Sterne royale	Sterne caugek
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Sterne royale

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Ecuador, Norway, Sweden, and Venezuela.

Sterne caugek

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

Sterne royale

Royal Tern (Thalasseus maximus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Sterne caugek

Sandwich Tern (Thalasseus sandvicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 5 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden 🇻🇪 Venezuela