Aracá Uakari vs Black-Necked Grebe

Cacajao ayresi compared with Podiceps nigricollis

Key Differences

• Aracá Uakari is Least Concern while Black-Necked Grebe is Endangered.

Taxonomic Classification

Rank	Aracá Uakari	Black-Necked Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Podicipediformes (Podicipediformes)
Family	Pitheciidae	Podicipedidae
Genus	Cacajao	Podiceps
Species	Cacajao ayresi	Podiceps nigricollis

Evolutionary Relationship

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

Conservation Status

Aracá Uakari

LC — Least Concern

Black-Necked Grebe

EN — Endangered

Physical Characteristics

Attribute	Aracá Uakari	Black-Necked Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aracá Uakari

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Black-Necked Grebe

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 8 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Endangered 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-Necked Grebe

Black-Necked Grebe (Podiceps nigricollis) is classified as Endangered (EN) on the IUCN Red List. At high risk of extinction in the wild, with significant population decline and ongoing threats to survival.