Lion vs Olive-gray Thomasomys

Panthera leo compared with Thomasomys cinereus

Key Differences

Lion is Vulnerable while Olive-gray Thomasomys is Least Concern.

Taxonomic Classification

Rank	Lion	Olive-gray Thomasomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Rodentia (Rodents)
Family	Felidae (Cats)	Cricetidae
Genus	Panthera (Big Cats)	Thomasomys
Species	Panthera leo	Thomasomys cinereus

Evolutionary Relationship

Lion and Olive-gray Thomasomys share a common ancestor at the Class level: Mammalia. (Mammals)

View Class: Mammalia

Conservation Status

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Olive-gray Thomasomys

LC — Least Concern

Physical Characteristics

Attribute	Lion	Olive-gray Thomasomys
Diet	Carnivore	—
Average Lifespan	15 years	—
Average Length	2.5 m	—
Average Weight	190.0 kg	—

Habitat & Geographic Range

Lion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

Lion

The largest wild cat in Africa, lions reach up to 250 kg and are the only social felids, living in prides across sub-Saharan savannas and grasslands. Males are distinguished by their iconic manes. As apex predators, they regulate herbivore populations and maintain ecosystem balance. Listed as Vulnerable due to habitat loss and human-wildlife conflict.