Black-bellied Tern vs Bridge Roller

Sterna acuticauda compared with Ancylis uncella

Key Differences

• Black-bellied Tern is Endangered while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Black-bellied Tern	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Charadriiformes (Charadriiformes)	Lepidoptera (Butterflies & Moths)
Family	Laridae	Tortricidae
Genus	Sterna	Ancylis
Species	Sterna acuticauda	Ancylis uncella

Evolutionary Relationship

Black-bellied Tern and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-bellied Tern

EN — Endangered

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Black-bellied Tern	Bridge Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-bellied Tern

Habitat

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

Range

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

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Black-bellied Tern

The Black-bellied Tern (Sterna acuticauda) is a species in the genus Sterna. It is currently classified as Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway