Gray-shanked Douc Langur vs Lesser Scaup

Pygathrix cinerea compared with Aythya affinis

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Lesser Scaup is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Lesser Scaup
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Anseriformes (Anseriformes)
Family	Cercopithecidae (Old World Monkeys)	Anatidae
Genus	Pygathrix	Aythya
Species	Pygathrix cinerea	Aythya affinis

Evolutionary Relationship

Gray-shanked Douc Langur and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Lesser Scaup
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

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).

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.