Gray-shanked Douc Langur vs Rufous-headed Pygmy-Tyrant

Pygathrix cinerea compared with Pseudotriccus ruficeps

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Rufous-headed Pygmy-Tyrant is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Rufous-headed Pygmy-Tyrant
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)	Tyrannidae
Genus	Pygathrix	Pseudotriccus
Species	Pygathrix cinerea	Pseudotriccus ruficeps

Evolutionary Relationship

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

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Rufous-headed Pygmy-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Rufous-headed Pygmy-Tyrant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rufous-headed Pygmy-Tyrant

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway.

Rufous-headed Pygmy-Tyrant

Rufous-headed Pygmy-Tyrant (Pseudotriccus ruficeps) 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.