Black-bellied Tern vs Black Bent

Sterna acuticauda compared with Agrostis gigantea

Key Differences

Black-bellied Tern is Endangered while Black Bent is Least Concern.

Taxonomic Classification

Rank	Black-bellied Tern	Black Bent
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Aves (Birds)	Liliopsida (Monocots)
Order	Charadriiformes (Charadriiformes)	Poales (Grasses)
Family	Laridae	Poaceae (Grass Family)
Genus	Sterna	Agrostis
Species	Sterna acuticauda	Agrostis gigantea

Conservation Status

Black-bellied Tern

EN — Endangered

Black Bent

LC — Least Concern

Physical Characteristics

Attribute	Black-bellied Tern	Black Bent
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.

Black Bent

Habitat

Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (11 countries), North America (4 countries), Oceania and the Pacific (Australia), and South America (5 countries).

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.

Black Bent

The Black Bent (Agrostis gigantea) is a species in the genus Agrostis. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.