Formosan rock macaque vs River Tern

Macaca cyclopis compared with Sterna aurantia

Key Differences

• Formosan rock macaque is Least Concern while River Tern is Vulnerable.

Taxonomic Classification

Rank	Formosan rock macaque	River Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Cercopithecidae (Old World Monkeys)	Laridae
Genus	Macaca	Sterna
Species	Macaca cyclopis	Sterna aurantia

Evolutionary Relationship

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

Conservation Status

Formosan rock macaque

LC — Least Concern

River Tern

VU — Vulnerable

Physical Characteristics

Attribute	Formosan rock macaque	River Tern
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.

River Tern

Habitat

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

Range

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