Aracá Uakari vs Black-headed Gull

Cacajao ayresi compared with Chroicocephalus ridibundus

Key Differences

• Aracá Uakari is Least Concern while Black-headed Gull is Vulnerable.

Taxonomic Classification

Rank	Aracá Uakari	Black-headed Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Pitheciidae	Laridae
Genus	Cacajao	Chroicocephalus
Species	Cacajao ayresi	Chroicocephalus ridibundus

Evolutionary Relationship

Aracá Uakari and Black-headed Gull share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Aracá Uakari

LC — Least Concern

Black-headed Gull

VU — Vulnerable

Physical Characteristics

Attribute	Aracá Uakari	Black-headed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aracá Uakari

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Gull

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Aracá Uakari

The Aracá Uakari (Cacajao ayresi) is a species in the genus Cacajao. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Black-headed Gull

Black-headed Gull (Chroicocephalus ridibundus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.