Gray-shanked Douc Langur vs White-collared Swift

Pygathrix cinerea compared with Streptoprocne zonaris

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while White-collared Swift is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	White-collared Swift
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Apodiformes (Apodiformes)
Family	Cercopithecidae (Old World Monkeys)	Apodidae
Genus	Pygathrix	Streptoprocne
Species	Pygathrix cinerea	Streptoprocne zonaris

Evolutionary Relationship

Gray-shanked Douc Langur and White-collared Swift share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

White-collared Swift

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	White-collared Swift
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White-collared Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

White-collared Swift

White-collared Swift (Streptoprocne zonaris) 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.