Lesser Scaup vs Philippine mouse-deer

Aythya affinis compared with Tragulus nigricans

Key Differences

• Lesser Scaup is Least Concern while Philippine mouse-deer is Endangered.

Taxonomic Classification

Rank	Lesser Scaup	Philippine mouse-deer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Artiodactyla (Even-toed Ungulates)
Family	Anatidae	Tragulidae
Genus	Aythya	Tragulus
Species	Aythya affinis	Tragulus nigricans

Evolutionary Relationship

Lesser Scaup and Philippine mouse-deer share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Lesser Scaup

LC — Least Concern

Philippine mouse-deer

EN — Endangered

Physical Characteristics

Attribute	Lesser Scaup	Philippine mouse-deer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Philippine mouse-deer

Habitat

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.