Francois' langur vs Ring-necked Duck

Trachypithecus francoisi compared with Aythya collaris

Key Differences

• Francois' langur is Endangered while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Francois' 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	Trachypithecus	Aythya
Species	Trachypithecus francoisi	Aythya collaris

Evolutionary Relationship

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

Conservation Status

Francois' langur

EN — Endangered

Ring-necked Duck

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Francois' 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.