Bolivian red howler vs pato-de-laysan

Alouatta sara compared with Anas laysanensis

Key Differences

• Bolivian red howler is Near Threatened while pato-de-laysan is Critically Endangered.

Taxonomic Classification

Rank	Bolivian red howler	pato-de-laysan
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Aves (ave)
Order	Primates (primatas)	Anseriformes (Anseriformes)
Family	Atelidae	Anatidae
Genus	Alouatta	Anas
Species	Alouatta sara	Anas laysanensis

Evolutionary Relationship

Bolivian red howler and pato-de-laysan share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Bolivian red howler

NT — Near Threatened

pato-de-laysan

CR — Critically Endangered

Physical Characteristics

Attribute	Bolivian red howler	pato-de-laysan
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bolivian red howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

pato-de-laysan

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.

pato-de-laysan

O Pato-de-Laysan (Anas laysanensis) está classificado como Criticamente Ameaçado (CR) na Lista Vermelha da IUCN. Enfrenta um risco extremamente alto de extinção na natureza devido ao grave declínio populacional e à perda de habitat.