Cow-nosed ray vs Deer Mouse

Rhinoptera bonasus compared with Peromyscus maniculatus

Key Differences

• Cow-nosed ray is Vulnerable while Deer Mouse is Least Concern.

Taxonomic Classification

Rank	Cow-nosed ray	Deer Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Myliobatidae	Cricetidae
Genus	Rhinoptera	Peromyscus
Species	Rhinoptera bonasus	Peromyscus maniculatus

Evolutionary Relationship

Cow-nosed ray and Deer Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cow-nosed ray

VU — Vulnerable

Deer Mouse

LC — Least Concern

Physical Characteristics

Attribute	Cow-nosed ray	Deer Mouse
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.

Deer Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.