Brown-headed Gull vs Brown Spider Monkey

Chroicocephalus brunnicephalus compared with Ateles hybridus

Key Differences

• Brown-headed Gull is Not Evaluated while Brown Spider Monkey is Critically Endangered.

Taxonomic Classification

Rank	Brown-headed Gull	Brown Spider Monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Charadriiformes (Charadriiformes)	Primates (Primates)
Family	Laridae	Atelidae
Genus	Chroicocephalus	Ateles
Species	Chroicocephalus brunnicephalus	Ateles hybridus

Evolutionary Relationship

Brown-headed Gull and Brown Spider Monkey share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown-headed Gull

NE — Not Evaluated

Brown Spider Monkey

CR — Critically Endangered

Physical Characteristics

Attribute	Brown-headed Gull	Brown Spider Monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brown-headed Gull

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Norway and Taiwan.

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.

Brown-headed Gull

The Brown-headed Gull (Chroicocephalus brunnicephalus) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments. Distributed across Norway and Taiwan.

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