Asian Openbill vs River Tern

Anastomus oscitans compared with Sterna aurantia

Key Differences

• Asian Openbill is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Asian Openbill	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Ciconiiformes (Ciconiiformes)	Charadriiformes (Charadriiformes)
Family	Ciconiidae	Laridae
Genus	Anastomus	Sterna
Species	Anastomus oscitans	Sterna aurantia

Evolutionary Relationship

Asian Openbill and River Tern share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Asian Openbill

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Asian Openbill	River Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Asian Openbill

Habitat

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

Range

Found in Norway.

River Tern

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Asian Openbill

The Asian Openbill (Anastomus oscitans) is a species in the genus Anastomus. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments. Found in Norway.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway