Amazon Black Howler vs Welsh onion

Alouatta nigerrima compared with Allium fistulosum

Key Differences

• Amazon Black Howler is Least Concern while Welsh onion is Critically Endangered.

Taxonomic Classification

Rank	Amazon Black Howler	Welsh onion
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Liliopsida (Monocots)
Order	Primates (Primates)	Asparagales (Asparagales)
Family	Atelidae	Amaryllidaceae
Genus	Alouatta	Allium
Species	Alouatta nigerrima	Allium fistulosum

Conservation Status

Amazon Black Howler

LC — Least Concern

Welsh onion

CR — Critically Endangered

Physical Characteristics

Attribute	Amazon Black Howler	Welsh onion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Welsh onion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, deserts and xeric shrublands, and tropical and subtropical dry broadleaf forests, among 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (Algeria, Seychelles), Asia (Taiwan, Yemen), Europe (18 countries), North America (Canada, United States), Oceania and the Pacific (Tuvalu), and South America (Brazil, Colombia, Peru). Currently classified as Critically 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.