Black-headed Night Monkey vs Killarney Featherwort

Aotus nigriceps compared with Plagiochila bifaria

Key Differences

• Black-headed Night Monkey is Least Concern while Killarney Featherwort is Critically Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Killarney Featherwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Marchantiophyta (liverwort)
Class	Mammalia (Mammals)	Jungermanniopsida (Jungermanniopsida)
Order	Primates (Primates)	Jungermanniales (Jungermanniales)
Family	Aotidae	Plagiochilaceae
Genus	Aotus	Plagiochila
Species	Aotus nigriceps	Plagiochila bifaria

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Killarney Featherwort

CR — Critically Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Killarney Featherwort
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Killarney Featherwort

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 within the Neotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Brazil, Colombia, Luxembourg, Norway, and Portugal. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Black-headed Night Monkey

The Black-headed Night Monkey (Aotus nigriceps) is a species in the genus Aotus. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.