barred rivulet vs Gray-shanked Douc Langur

Perizoma bifaciata compared with Pygathrix cinerea

Key Differences

• barred rivulet is Vulnerable while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	barred rivulet	Gray-shanked Douc Langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Primates (Primates)
Family	Geometridae	Cercopithecidae (Old World Monkeys)
Genus	Perizoma	Pygathrix
Species	Perizoma bifaciata	Pygathrix cinerea

Evolutionary Relationship

barred rivulet and Gray-shanked Douc Langur share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

barred rivulet

VU — Vulnerable

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	barred rivulet	Gray-shanked Douc Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

barred rivulet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Currently classified as Vulnerable 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.

barred rivulet

The Barred rivulet (Perizoma bifaciata) is a species in the genus Perizoma. It is currently classified as Vulnerable on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.