Formosan rock macaque vs Oahu Elepaio

Macaca cyclopis compared with Chasiempis ibidis

Key Differences

• Formosan rock macaque is Least Concern while Oahu Elepaio is Endangered.

Taxonomic Classification

Rank	Formosan rock macaque	Oahu Elepaio
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)	Monarchidae
Genus	Macaca	Chasiempis
Species	Macaca cyclopis	Chasiempis ibidis

Evolutionary Relationship

Formosan rock macaque and Oahu Elepaio share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Formosan rock macaque

LC — Least Concern

Oahu Elepaio

EN — Endangered

Physical Characteristics

Attribute	Formosan rock macaque	Oahu Elepaio
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Formosan rock macaque

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Japan and Taiwan.

Oahu Elepaio

Habitat

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

Range

Found in Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.