Cow-nosed ray vs Davison’s Mastiff Bat

Rhinoptera bonasus compared with Promops davisoni

Key Differences

• Cow-nosed ray is Vulnerable while Davison’s Mastiff Bat is Data Deficient.

Taxonomic Classification

Rank	Cow-nosed ray	Davison’s Mastiff Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Chiroptera (Bats)
Family	Myliobatidae	Molossidae
Genus	Rhinoptera	Promops
Species	Rhinoptera bonasus	Promops davisoni

Evolutionary Relationship

Cow-nosed ray and Davison’s Mastiff Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cow-nosed ray

VU — Vulnerable

Davison’s Mastiff Bat

DD — Data Deficient

Physical Characteristics

Attribute	Cow-nosed ray	Davison’s Mastiff Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cow-nosed ray

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Davison’s Mastiff Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.