Black-eared Red-backed Vole vs Bonnet

Eothenomys olitor compared with Sphyrna tudes

Key Differences

• Black-eared Red-backed Vole is Least Concern while Bonnet is Critically Endangered.

Taxonomic Classification

Rank	Black-eared Red-backed Vole	Bonnet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Chondrichthyes (Cartilaginous Fish)
Order	Rodentia (Rodents)	Carcharhiniformes (Ground Sharks)
Family	Cricetidae	Sphyrnidae (Hammerhead Sharks)
Genus	Eothenomys	Sphyrna (Hammerhead Sharks)
Species	Eothenomys olitor	Sphyrna tudes

Evolutionary Relationship

Black-eared Red-backed Vole and Bonnet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-eared Red-backed Vole

LC — Least Concern

Bonnet

CR — Critically Endangered

Physical Characteristics

Attribute	Black-eared Red-backed Vole	Bonnet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-eared Red-backed Vole

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bonnet

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

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

Black-eared Red-backed Vole

The Black-eared Red-backed Vole (Eothenomys olitor) is a species in the genus Eothenomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Bonnet

The Bonnet (Sphyrna tudes) is a species in the genus Sphyrna. It is currently classified as Critically Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 6 distinct biome types within the Ne