Big Brown Bat vs Seua lai mek

Eptesicus fuscus compared with Neofelis nebulosa

Key Differences

• Big Brown Bat is Least Concern while Seua lai mek is Vulnerable.

Taxonomic Classification

Rank	Big Brown Bat	Seua lai mek
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Chiroptera (ค้างคาว)	Carnivora (สัตว์กินเนื้อ)
Family	Vespertilionidae	Felidae (Cats)
Genus	Eptesicus	Neofelis (Clouded Leopards)
Species	Eptesicus fuscus	Neofelis nebulosa

Evolutionary Relationship

Big Brown Bat and Seua lai mek share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Big Brown Bat

LC — Least Concern

Seua lai mek

VU — Vulnerable

Population: ~10.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Big Brown Bat	Seua lai mek
Diet	—	Carnivore
Average Lifespan	—	15 years
Average Length	—	1.0 m
Average Weight	—	20.0 kg

Habitat & Geographic Range

Big Brown Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, Colombia, Ecuador, United States, and Venezuela.

Seua lai mek

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types spanning the Australasia and Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across China, Indonesia, Malaysia, Myanmar, and Thailand. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Big Brown Bat

The Big Brown Bat (Eptesicus fuscus) is a species in the genus Eptesicus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Seua lai mek

A medium-sized wild cat weighing up to 26 kg, clouded leopards inhabit tropical and subtropical forests from the eastern Himalayas through Southeast Asia to Borneo. Named for their distinctive cloud-like coat markings, they possess the longest canine teeth relative to skull size of any wild cat and are exceptional climbers able to descend trees headfirst. Vulnerable due to deforestation, though the total population remains poorly known.