Grauhand-Nachtaffe vs Indochinese Gray Langur

Aotus griseimembra compared with Trachypithecus crepusculus

Key Differences

• Grauhand-Nachtaffe is Vulnerable while Indochinese Gray Langur is Endangered.

Taxonomic Classification

Rank	Grauhand-Nachtaffe	Indochinese Gray Langur
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Primates (Primaten)	Primates (Primaten)
Family	Aotidae	Cercopithecidae (Old World Monkeys)
Genus	Aotus	Trachypithecus
Species	Aotus griseimembra	Trachypithecus crepusculus

Evolutionary Relationship

Grauhand-Nachtaffe and Indochinese Gray Langur share a common ancestor at the Order level: Primates. (Primaten)

Conservation Status

Grauhand-Nachtaffe

VU — Vulnerable

Indochinese Gray Langur

EN — Endangered

Physical Characteristics

Attribute	Grauhand-Nachtaffe	Indochinese Gray Langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Grauhand-Nachtaffe

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Indochinese Gray Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.