Bolivian red howler vs Laysan Duck

Alouatta sara compared with Anas laysanensis

Key Differences

• Bolivian red howler is Near Threatened while Laysan Duck is Critically Endangered.

Taxonomic Classification

Rank	Bolivian red howler	Laysan Duck
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class	Mammalia (ثدييات)	Aves (طيور)
Order	Primates (رئيسيات)	Anseriformes (إوزيات)
Family	Atelidae	Anatidae
Genus	Alouatta	Anas
Species	Alouatta sara	Anas laysanensis

Evolutionary Relationship

Bolivian red howler and Laysan Duck share a common ancestor at the Phylum level: Chordata. (حبليات)

Conservation Status

Bolivian red howler

NT — Near Threatened

Laysan Duck

CR — Critically Endangered

Physical Characteristics

Attribute	Bolivian red howler	Laysan Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Laysan Duck

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Bolivian red howler

The Bolivian red howler (Alouatta sara) is a species in the genus Alouatta. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Laysan Duck

Laysan Duck (Anas laysanensis) is classified as Critically Endangered (CR) on the IUCN Red List. Facing an extremely high risk of extinction in the wild due to severe population decline and habitat loss.