Black-bellied Tern vs Gray-shanked Douc Langur

Sterna acuticauda compared with Pygathrix cinerea

Key Differences

• Black-bellied Tern is Endangered while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Black-bellied Tern	Gray-shanked Douc Langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Primates (Primates)
Family	Laridae	Cercopithecidae (Old World Monkeys)
Genus	Sterna	Pygathrix
Species	Sterna acuticauda	Pygathrix cinerea

Evolutionary Relationship

Black-bellied Tern and Gray-shanked Douc Langur share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-bellied Tern

EN — Endangered

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Black-bellied Tern	Gray-shanked Douc Langur
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.

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.