Black Howler Monkey vs Ray's Knotgrass

Alouatta pigra compared with Polygonum oxyspermum

Taxonomic Classification

Rank	Black Howler Monkey	Ray's Knotgrass
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Magnoliopsida (木兰纲)
Order	Primates (灵长目)	Caryophyllales (石竹目)
Family	Atelidae	Polygonaceae
Genus	Alouatta	Polygonum
Species	Alouatta pigra	Polygonum oxyspermum

Conservation Status

Black Howler Monkey

EN — Endangered

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Black Howler Monkey	Ray's Knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

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.

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.