Black-headed Night Monkey vs Rootless Duckweed

Aotus nigriceps compared with Wolffia arrhiza

Key Differences

• Black-headed Night Monkey is Least Concern while Rootless Duckweed is Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Rootless Duckweed
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Primates (Primates)	Alismatales (Alismatales)
Family	Aotidae	Araceae
Genus	Aotus	Wolffia
Species	Aotus nigriceps	Wolffia arrhiza

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Rootless Duckweed

EN — Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Rootless Duckweed
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Rootless Duckweed

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate broadleaf and mixed forests, and temperate coniferous forests, among 4 distinct biome types spanning the Indomalayan and Oceanian and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Japan), Europe (10 countries), North America (Canada), and South America (Brazil). Currently classified as 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.