Leschenault's rousette vs Lesser Scaup

Rousettus leschenaultii compared with Aythya affinis

Key Differences

• Leschenault's rousette is Near Threatened while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Leschenault's rousette	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Chiroptera (Bats)	Anseriformes (Anseriformes)
Family	Pteropodidae (Fruit Bats)	Anatidae
Genus	Rousettus	Aythya
Species	Rousettus leschenaultii	Aythya affinis

Evolutionary Relationship

Leschenault's rousette and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Leschenault's rousette

NT — Near Threatened

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Leschenault's rousette	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Leschenault's rousette

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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).

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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan