Gray-shanked Douc Langur vs Rufous Spinetail

Pygathrix cinerea compared with Synallaxis unirufa

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Rufous Spinetail is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Rufous Spinetail
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)	Furnariidae
Genus	Pygathrix	Synallaxis
Species	Pygathrix cinerea	Synallaxis unirufa

Evolutionary Relationship

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

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Rufous Spinetail

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Rufous Spinetail
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rufous Spinetail

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Rufous Spinetail

Rufous Spinetail (Synallaxis unirufa) 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.