Mentawai Langur vs

Presbytis potenziani compared with Usnea cornuta

Key Differences

• Mentawai Langur is Critically Endangered while is Near Threatened.

Taxonomic Classification

Rank	Mentawai Langur
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Lecanoromycetes (Lecanoromycetes)
Order	Primates (Primates)	Lecanorales (Lecanorales)
Family	Cercopithecidae (Old World Monkeys)	Parmeliaceae
Genus	Presbytis	Usnea
Species	Presbytis potenziani	Usnea cornuta

Conservation Status

Mentawai Langur

CR — Critically Endangered

NT — Near Threatened

Physical Characteristics

Attribute	Mentawai Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mentawai Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Usnea cornuta is a fruticose lichen in the family Parmeliaceae, assessed as Near Threatened (NT). It forms shrubby, branching thalli that hang from tree branches and twigs, typically in humid forest environments. Like all Usnea species, it is highly sensitive to air pollution, particularly sulfur dioxide, making it a useful bioindicator of air quality.