Cow-nosed ray vs Ooldea dunnart

Rhinoptera bonasus compared with Sminthopsis ooldea

Key Differences

• Cow-nosed ray is Vulnerable while Ooldea dunnart is Least Concern.

Taxonomic Classification

Rank	Cow-nosed ray	Ooldea dunnart
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Dasyuromorphia (Dasyuromorphia)
Family	Myliobatidae	Dasyuridae
Genus	Rhinoptera	Sminthopsis
Species	Rhinoptera bonasus	Sminthopsis ooldea

Evolutionary Relationship

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

Conservation Status

Cow-nosed ray

VU — Vulnerable

Ooldea dunnart

LC — Least Concern

Physical Characteristics

Attribute	Cow-nosed ray	Ooldea dunnart
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.

Ooldea dunnart

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.