Big-eared Hopping Mouse vs Lesser Scaup

Notomys macrotis compared with Aythya affinis

Key Differences

• Big-eared Hopping Mouse is Extinct while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Big-eared Hopping Mouse	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Muridae (Mice & Rats)	Anatidae
Genus	Notomys	Aythya
Species	Notomys macrotis	Aythya affinis

Evolutionary Relationship

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

Conservation Status

Big-eared Hopping Mouse

EX — Extinct

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Big-eared Hopping Mouse	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Scaup

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

Lesser Scaup

Lesser Scaup (Aythya affinis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.