Gray-shanked Douc Langur vs Red-billed Quelea

Pygathrix cinerea compared with Quelea quelea

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Red-billed Quelea is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Red-billed Quelea
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Passeriformes (Songbirds)
Family	Cercopithecidae (Old World Monkeys)	Ploceidae
Genus	Pygathrix	Quelea
Species	Pygathrix cinerea	Quelea quelea

Evolutionary Relationship

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

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Red-billed Quelea

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Red-billed Quelea
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-billed Quelea

Habitat

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

Range

Widely distributed across Africa (Cameroon, Gambia), Asia (United Arab Emirates), and Europe (7 countries).

Red-billed Quelea

Red-billed Quelea (Quelea quelea) 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.