Gray-shanked Douc Langur vs Red-breasted Merganser

Pygathrix cinerea compared with Mergus serrator

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Red-breasted Merganser is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Red-breasted Merganser
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	Mergus
Species	Pygathrix cinerea	Mergus serrator

Evolutionary Relationship

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

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Red-breasted Merganser

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Red-breasted Merganser
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-breasted Merganser

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).

Red-breasted Merganser

Red-breasted Merganser (Mergus serrator) 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.