Celebes crested macaque vs Amerika-aka-ei

Macaca nigra compared with Hypanus americanus

Key Differences

• Celebes crested macaque is Critically Endangered while Amerika-aka-ei is Near Threatened.

Taxonomic Classification

Rank	Celebes crested macaque	Amerika-aka-ei
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class	Mammalia (哺乳類)	Elasmobranchii
Order	Primates (サル目)	Myliobatiformes (トビエイ目)
Family	Cercopithecidae (Old World Monkeys)	Dasyatidae
Genus	Macaca	Hypanus
Species	Macaca nigra	Hypanus americanus

Evolutionary Relationship

Celebes crested macaque and Amerika-aka-ei share a common ancestor at the Phylum level: Chordata. (脊索動物)

Conservation Status

Celebes crested macaque

CR — Critically Endangered

Amerika-aka-ei

NT — Near Threatened

Physical Characteristics

Attribute	Celebes crested macaque	Amerika-aka-ei
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Celebes crested macaque

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Amerika-aka-ei

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Celebes crested macaque

The Celebes Crested Macaque (Macaca nigra) is a species in the genus Macaca. It is currently classified as Critically Endangered on the IUCN Red List. Found in Colombia. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.