Guatemala-Brüllaffe vs Hölker

Alouatta pigra compared with Littorina littorea

Key Differences

• Guatemala-Brüllaffe is Endangered while Hölker is Least Concern.

Taxonomic Classification

Rank	Guatemala-Brüllaffe	Hölker
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum	Chordata (Chordatiere)	Mollusca (Weichtiere)
Class	Mammalia (Säugetiere)	Gastropoda (Schnecken)
Order	Primates (Primaten)	Littorinimorpha (Littorinimorpha)
Family	Atelidae	Littorinidae
Genus	Alouatta	Littorina
Species	Alouatta pigra	Littorina littorea

Evolutionary Relationship

Guatemala-Brüllaffe and Hölker share a common ancestor at the Kingdom level: Animalia. (Tier)

Conservation Status

Guatemala-Brüllaffe

EN — Endangered

Hölker

LC — Least Concern

Physical Characteristics

Attribute	Guatemala-Brüllaffe	Hölker
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guatemala-Brüllaffe

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Hölker

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Found across Europe (4 countries) and North America (Canada, United States).

Guatemala-Brüllaffe

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.

Hölker

Common Periwinkle (Littorina littorea) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.