Common Fat-tailed Mouse Opossum vs Lion

Thylamys pusillus compared with Panthera leo

Key Differences

• Common Fat-tailed Mouse Opossum is Least Concern while Lion is Vulnerable.

Taxonomic Classification

Rank	Common Fat-tailed Mouse Opossum	Lion
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Didelphimorphia (주머니쥐)	Carnivora (식육목)
Family	Didelphidae	Felidae (Cats)
Genus	Thylamys	Panthera (Big Cats)
Species	Thylamys pusillus	Panthera leo

Evolutionary Relationship

Common Fat-tailed Mouse Opossum and Lion share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Common Fat-tailed Mouse Opossum

LC — Least Concern

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Fat-tailed Mouse Opossum	Lion
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	2.5 m
Average Weight	—	190.0 kg

Habitat & Geographic Range

Common Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Common Fat-tailed Mouse Opossum

The Common Fat-tailed Mouse Opossum (<em>Thylamys pusillus</em>) is a small marsupial belonging to the genus Thylamys within the family Didelphidae. Like other members of its genus, this species typically stores fat in its tail, which becomes swollen during periods of food abundance and is metabolised during leaner times, a physiological adaptation that provides energy reserves. <em>Thylamys pusillus</em> is generally found in diverse terrestrial and aquatic ecosystems, often in dry woodlands, scrublands, and grassland habitats of South America. The species is assessed as Least Concern on the IUCN Red List, indicating it is not currently considered at risk of extinction. Detailed geographic range data are not available in the current record, but members of this genus are typically distributed across parts of Argentina, Bolivia, Paraguay, and Uruguay. Biological traits including average lifespan, body dimensions, and specific dietary composition remain poorly documented in the scientific literature, though Thylamys species are generally considered omnivorous, often consuming insects, small vertebrates, and plant material.

Lion

아프리카 최대의 야생 고양이과 동물로 최대 250kg에 달하며, 사하라 사막 이남의 사바나와 초원에서 무리 생활을 하는 유일한 사회성 고양이과 동물입니다. 수컷은 상징적인 갈기로 구별됩니다. 최상위 포식자로서 초식동물 개체군을 조절하고 생태계 균형을 유지합니다. 서식지 손실과 인간-야생동물 충돌로 인해 취약 등급으로 분류됩니다.