Miller’s Mastiff Bat vs Perija Thistletail

Molossus pretiosus compared with Asthenes perijana

Key Differences

• Miller’s Mastiff Bat is Least Concern while Perija Thistletail is Endangered.

Taxonomic Classification

Rank	Miller’s Mastiff Bat	Perija Thistletail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Passeriformes (Songbirds)
Family	Molossidae	Furnariidae
Genus	Molossus	Asthenes
Species	Molossus pretiosus	Asthenes perijana

Evolutionary Relationship

Miller’s Mastiff Bat and Perija Thistletail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Miller’s Mastiff Bat

LC — Least Concern

Perija Thistletail

EN — Endangered

Physical Characteristics

Attribute	Miller’s Mastiff Bat	Perija Thistletail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Miller’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Perija Thistletail

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia, Norway, and Venezuela. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela