Cownose ray vs Little Black Serotine

Rhinoptera javanica compared with Eptesicus andinus

Key Differences

• Cownose ray is Endangered while Little Black Serotine is Least Concern.

Taxonomic Classification

Rank	Cownose ray	Little Black Serotine
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Chiroptera (Bats)
Family	Myliobatidae	Vespertilionidae
Genus	Rhinoptera	Eptesicus
Species	Rhinoptera javanica	Eptesicus andinus

Evolutionary Relationship

Cownose ray and Little Black Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cownose ray

EN — Endangered

Little Black Serotine

LC — Least Concern

Physical Characteristics

Attribute	Cownose ray	Little Black Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cownose 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.

Little Black Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.