Grauhand-Nachtaffe vs Tattersall’s-Sifaka

Aotus griseimembra compared with Propithecus tattersalli

Key Differences

• Grauhand-Nachtaffe is Vulnerable while Tattersall’s-Sifaka is Critically Endangered.

Taxonomic Classification

Rank	Grauhand-Nachtaffe	Tattersall’s-Sifaka
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	Indriidae
Genus	Aotus	Propithecus
Species	Aotus griseimembra	Propithecus tattersalli

Evolutionary Relationship

Grauhand-Nachtaffe and Tattersall’s-Sifaka share a common ancestor at the Order level: Primates. (Primaten)

Conservation Status

Grauhand-Nachtaffe

VU — Vulnerable

Tattersall’s-Sifaka

CR — Critically Endangered

Physical Characteristics

Attribute	Grauhand-Nachtaffe	Tattersall’s-Sifaka
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.

Tattersall’s-Sifaka

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.