Amazon Black Howler vs Horned Grebe

Alouatta nigerrima compared with Podiceps auritus

Key Differences

• Amazon Black Howler is Least Concern while Horned Grebe is Vulnerable.

Taxonomic Classification

Rank	Amazon Black Howler	Horned Grebe
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Podicipediformes (Podicipediformes)
Family	Atelidae	Podicipedidae
Genus	Alouatta	Podiceps
Species	Alouatta nigerrima	Podiceps auritus

Evolutionary Relationship

Amazon Black Howler and Horned Grebe share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Amazon Black Howler

LC — Least Concern

Horned Grebe

VU — Vulnerable

Physical Characteristics

Attribute	Amazon Black Howler	Horned Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Horned Grebe

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (6 countries) and North America (United States). Currently classified as Vulnerable 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.

Horned Grebe

Horned Grebe (Podiceps auritus) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.