Brown Spider Monkey vs Pygmy Brittlestem

Ateles hybridus compared with Psathyrella pygmaea

Key Differences

• Brown Spider Monkey is Critically Endangered while Pygmy Brittlestem is Least Concern.

Taxonomic Classification

Rank	Brown Spider Monkey	Pygmy Brittlestem
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Primates (Primates)	Agaricales (Gilled Mushrooms)
Family	Atelidae	Psathyrellaceae
Genus	Ateles	Psathyrella
Species	Ateles hybridus	Psathyrella pygmaea

Conservation Status

Brown Spider Monkey

CR — Critically Endangered

Pygmy Brittlestem

LC — Least Concern

Physical Characteristics

Attribute	Brown Spider Monkey	Pygmy Brittlestem
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown Spider Monkey

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 6 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

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

Pygmy Brittlestem

Habitat

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

Range

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

Brown Spider Monkey

The Brown Spider Monkey (Ateles hybridus) is a species in the genus Ateles. It is currently classified as Critically Endangered on the IUCN Red List. 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 6 distinct biome types spanning the