Blackhead worm vs Brown Spider Monkey

Aporrectodea longa compared with Ateles hybridus

Key Differences

• Blackhead worm is Not Evaluated while Brown Spider Monkey is Critically Endangered.

Taxonomic Classification

Rank	Blackhead worm	Brown Spider Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Annelida (Segmented Worms)	Chordata (Chordates)
Class	Clitellata (Clitellata)	Mammalia (Mammals)
Order	Crassiclitellata (Crassiclitellata)	Primates (Primates)
Family	Lumbricidae	Atelidae
Genus	Aporrectodea	Ateles
Species	Aporrectodea longa	Ateles hybridus

Evolutionary Relationship

Blackhead worm and Brown Spider Monkey share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blackhead worm

NE — Not Evaluated

Brown Spider Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Blackhead worm	Brown Spider Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackhead worm

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

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

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.

Blackhead worm

The Blackhead worm (Aporrectodea longa) is a species in the genus Aporrectodea. Native to Europe and North America, inhabiting ecosystems characteristic of the region. Distributed across Belgium, Denmark, Norway, Sweden, and United States.

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