Nilgiri langur vs Ring-necked Duck

Semnopithecus johnii compared with Aythya collaris

Key Differences

• Nilgiri langur is Vulnerable while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Nilgiri langur	Ring-necked Duck
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	Semnopithecus	Aythya
Species	Semnopithecus johnii	Aythya collaris

Evolutionary Relationship

Nilgiri langur and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Nilgiri langur

VU — Vulnerable

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Nilgiri langur	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ring-necked Duck

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Ring-necked Duck

Ring-necked Duck (Aythya collaris) 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.