Big-footed Thorius vs Miller’s Mastiff Bat

Thorius magnipes compared with Molossus pretiosus

Key Differences

• Big-footed Thorius is Critically Endangered while Miller’s Mastiff Bat is Least Concern.

Taxonomic Classification

Rank	Big-footed Thorius	Miller’s Mastiff Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Chiroptera (Bats)
Family	Plethodontidae	Molossidae
Genus	Thorius	Molossus
Species	Thorius magnipes	Molossus pretiosus

Evolutionary Relationship

Big-footed Thorius and Miller’s Mastiff Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-footed Thorius

CR — Critically Endangered

Miller’s Mastiff Bat

LC — Least Concern

Physical Characteristics

Attribute	Big-footed Thorius	Miller’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

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