Common Fat-tailed Mouse Opossum vs Serotine

Thylamys pusillus compared with Eptesicus serotinus

Key Differences

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

Taxonomic Classification

Rank	Common Fat-tailed Mouse Opossum	Serotine
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Didelphimorphia (주머니쥐)	Chiroptera (박쥐)
Family	Didelphidae	Vespertilionidae
Genus	Thylamys	Eptesicus
Species	Thylamys pusillus	Eptesicus serotinus

Evolutionary Relationship

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

Conservation Status

Common Fat-tailed Mouse Opossum

LC — Least Concern

Serotine

VU — Vulnerable

Physical Characteristics

Attribute	Common Fat-tailed Mouse Opossum	Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Fat-tailed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries). 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.

Serotine

세로틴박쥐(Eptesicus serotinus)는 IUCN 적색목록에서 취약(VU) 종으로 분류됩니다. 야생에서 높은 멸종 위험에 처해 있으며 개체 수가 감소하고 서식지 압박이 증가하고 있습니다.