Aracá Uakari vs Ray's Knotgrass

Cacajao ayresi compared with Polygonum oxyspermum

Key Differences

• Aracá Uakari is Least Concern while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Aracá Uakari	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Primates (Primates)	Caryophyllales (Caryophyllales)
Family	Pitheciidae	Polygonaceae
Genus	Cacajao	Polygonum
Species	Cacajao ayresi	Polygonum oxyspermum

Conservation Status

Aracá Uakari

LC — Least Concern

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Aracá Uakari	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aracá Uakari

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. 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.