Gray-shanked Douc Langur vs Ring-necked Duck

Pygathrix cinerea compared with Aythya collaris

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc 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	Pygathrix	Aythya
Species	Pygathrix cinerea	Aythya collaris

Evolutionary Relationship

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

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc 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.