Chestnut-collared Swift vs Gray-shanked Douc Langur

Streptoprocne rutila compared with Pygathrix cinerea

Key Differences

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

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Chestnut-collared Swift

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

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

Habitat & Geographic Range

Chestnut-collared Swift

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Chestnut-collared Swift

Chestnut-collared Swift (Streptoprocne rutila) 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.