Mentawai Langur vs Acker-Ziest

Presbytis potenziani compared with Stachys arvensis

Key Differences

• Mentawai Langur is Critically Endangered while Acker-Ziest is Vulnerable.

Taxonomic Classification

Rank	Mentawai Langur	Acker-Ziest
Kingdom	Animalia (Tier)	Plantae (Pflanzen)
Phylum	Chordata (Chordatiere)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Säugetiere)	Magnoliopsida (Dicots)
Order	Primates (Primaten)	Lamiales (Lippenblütlerartige)
Family	Cercopithecidae (Old World Monkeys)	Lamiaceae
Genus	Presbytis	Stachys
Species	Presbytis potenziani	Stachys arvensis

Conservation Status

Mentawai Langur

CR — Critically Endangered

Acker-Ziest

VU — Vulnerable

Physical Characteristics

Attribute	Mentawai Langur	Acker-Ziest
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mentawai Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Acker-Ziest

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (4 countries), Asia (5 countries), Europe (15 countries), North America (4 countries), Oceania and the Pacific (Australia, Tonga), and South America (6 countries). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.