Big Brown Bat vs Brown eagle-ray

Eptesicus fuscus compared with Aetomylaeus milvus

Key Differences

• Big Brown Bat is Least Concern while Brown eagle-ray is Endangered.

Taxonomic Classification

Rank	Big Brown Bat	Brown eagle-ray
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Elasmobranchii
Order	Chiroptera (ค้างคาว)	Myliobatiformes (อันดับปลากระเบน)
Family	Vespertilionidae	Myliobatidae
Genus	Eptesicus	Aetomylaeus
Species	Eptesicus fuscus	Aetomylaeus milvus

Evolutionary Relationship

Big Brown Bat and Brown eagle-ray share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Big Brown Bat

LC — Least Concern

Brown eagle-ray

EN — Endangered

Physical Characteristics

Attribute	Big Brown Bat	Brown eagle-ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

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.

Brown eagle-ray

Habitat

Native to Asia, inhabiting ecosystems characteristic of the region.

Range

Found in Taiwan. Currently classified as Endangered 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.

Brown eagle-ray

The Brown Eagle-ray (Aetomylaeus milvus) is a species in the genus Aetomylaeus. It is currently classified as Endangered on the IUCN Red List. Native to Asia, inhabiting ecosystems characteristic of the region.