Cuckoo ray vs Gray-footed Spiny-rat

Leucoraja circularis compared with Proechimys poliopus

Key Differences

• Cuckoo ray is Not Evaluated while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Cuckoo ray	Gray-footed Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Rajiformes (Rajiformes)	Rodentia (Rodents)
Family	Rajidae	Echimyidae
Genus	Leucoraja	Proechimys
Species	Leucoraja circularis	Proechimys poliopus

Evolutionary Relationship

Cuckoo ray and Gray-footed Spiny-rat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cuckoo ray

NE — Not Evaluated

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Cuckoo ray	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cuckoo ray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark and Norway.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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