Amazon Black Howler vs Cotton Thistle

Alouatta nigerrima compared with Onopordum acanthium

Key Differences

• Amazon Black Howler is Least Concern while Cotton Thistle is Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Cotton Thistle
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Primates (Primates)	Asterales (Daisies & Sunflowers)
Family	Atelidae	Asteraceae (Daisy Family)
Genus	Alouatta	Onopordum
Species	Alouatta nigerrima	Onopordum acanthium

Conservation Status

Amazon Black Howler

LC — Least Concern

Cotton Thistle

EN — Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Cotton Thistle
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cotton Thistle

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Georgia, India, Japan), Europe (22 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina, Brazil, Chile). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Amazon Black Howler

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