Chestnut dunnart vs Lesser Scaup

Sminthopsis archeri compared with Aythya affinis

Key Differences

• Chestnut dunnart is Data Deficient while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Chestnut dunnart	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Dasyuromorphia (Dasyuromorphia)	Anseriformes (Anseriformes)
Family	Dasyuridae	Anatidae
Genus	Sminthopsis	Aythya
Species	Sminthopsis archeri	Aythya affinis

Evolutionary Relationship

Chestnut dunnart and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chestnut dunnart

DD — Data Deficient

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Chestnut dunnart	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chestnut dunnart

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).

Chestnut dunnart

The Chestnut dunnart (Sminthopsis archeri) is a species in the genus Sminthopsis. It is currently classified as Data Deficient 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.