Amazon Black Howler vs Base-spotted Pigmy

Alouatta nigerrima compared with Stigmella basiguttella

Key Differences

• Amazon Black Howler is Least Concern while Base-spotted Pigmy is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Base-spotted Pigmy
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Primates (Primates)	Lepidoptera (Butterflies & Moths)
Family	Atelidae	Nepticulidae
Genus	Alouatta	Stigmella
Species	Alouatta nigerrima	Stigmella basiguttella

Evolutionary Relationship

Amazon Black Howler and Base-spotted Pigmy share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Amazon Black Howler

LC — Least Concern

Base-spotted Pigmy

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Base-spotted Pigmy
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.