Hamlyn s Monkey vs Rufous-headed Pygmy-Tyrant

Cercopithecus hamlyni compared with Pseudotriccus ruficeps

Key Differences

• Hamlyn s Monkey is Vulnerable while Rufous-headed Pygmy-Tyrant is Least Concern.

Taxonomic Classification

Rank	Hamlyn s Monkey	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	Cercopithecus	Pseudotriccus
Species	Cercopithecus hamlyni	Pseudotriccus ruficeps

Evolutionary Relationship

Hamlyn s Monkey and Rufous-headed Pygmy-Tyrant share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hamlyn s Monkey

VU — Vulnerable

Rufous-headed Pygmy-Tyrant

LC — Least Concern

Physical Characteristics

Attribute	Hamlyn s Monkey	Rufous-headed Pygmy-Tyrant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hamlyn s Monkey

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.