Sterne élégante vs Sterne caugek

Thalasseus elegans compared with Thalasseus sandvicensis

Key Differences

• Sterne élégante is Near Threatened while Sterne caugek is Least Concern.

Taxonomic Classification

Rank	Sterne élégante	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 elegans	Thalasseus sandvicensis

Evolutionary Relationship

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

Conservation Status

Sterne élégante

NT — Near Threatened

Sterne caugek

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Sterne élégante

Habitat

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

Range

Distributed across Belgium, Colombia, Denmark, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 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:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway