Lesser Scaup vs Nilgiri langur

Aythya affinis compared with Semnopithecus johnii

Key Differences

• Lesser Scaup is Least Concern while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Lesser Scaup	Nilgiri langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Anseriformes (Anseriformes)	Primates (Primates)
Family	Anatidae	Cercopithecidae (Old World Monkeys)
Genus	Aythya	Semnopithecus
Species	Aythya affinis	Semnopithecus johnii

Evolutionary Relationship

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

Conservation Status

Lesser Scaup

LC — Least Concern

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Lesser Scaup	Nilgiri langur
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).

Nilgiri langur

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.