Andean Saddle-back Tamarin vs Big-footed Thorius

Leontocebus leucogenys compared with Thorius magnipes

Key Differences

• Andean Saddle-back Tamarin is Least Concern while Big-footed Thorius is Critically Endangered.

Taxonomic Classification

Rank	Andean Saddle-back Tamarin	Big-footed Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Caudata (Caudata)
Family	Callitrichidae	Plethodontidae
Genus	Leontocebus	Thorius
Species	Leontocebus leucogenys	Thorius magnipes

Evolutionary Relationship

Andean Saddle-back Tamarin and Big-footed Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Andean Saddle-back Tamarin

LC — Least Concern

Big-footed Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Andean Saddle-back Tamarin	Big-footed Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Saddle-back Tamarin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Big-footed Thorius

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Andean Saddle-back Tamarin

The Andean Saddle-back Tamarin (Leontocebus leucogenys) is a species in the genus Leontocebus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Big-footed Thorius

The Big-footed Thorius (Thorius magnipes) is a species in the genus Thorius. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neo