Black-headed Night Monkey vs Scaly Stalkball

Aotus nigriceps compared with Tulostoma melanocyclum

Key Differences

• Black-headed Night Monkey is Least Concern while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Black-headed Night Monkey	Scaly Stalkball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Primates (Primates)	Agaricales (Gilled Mushrooms)
Family	Aotidae	Agaricaceae (Agarics)
Genus	Aotus	Tulostoma
Species	Aotus nigriceps	Tulostoma melanocyclum

Conservation Status

Black-headed Night Monkey

LC — Least Concern

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Black-headed Night Monkey	Scaly Stalkball
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Night Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Scaly Stalkball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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.