Big-eared Hopping Mouse vs Humpback smooth hound

Notomys macrotis compared with Mustelus whitneyi

Key Differences

• Big-eared Hopping Mouse is Extinct while Humpback smooth hound is Critically Endangered.

Taxonomic Classification

Rank	Big-eared Hopping Mouse	Humpback smooth hound
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	Muridae (Mice & Rats)	Triakidae
Genus	Notomys	Mustelus
Species	Notomys macrotis	Mustelus whitneyi

Evolutionary Relationship

Big-eared Hopping Mouse and Humpback smooth hound share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared Hopping Mouse

EX — Extinct

Humpback smooth hound

CR — Critically Endangered

Physical Characteristics

Attribute	Big-eared Hopping Mouse	Humpback smooth hound
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Humpback smooth hound

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate grasslands and steppes, and montane grasslands and shrublands, among 5 distinct biome types within the Neotropic biogeographic realm.

Range

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

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.