Amazon Black Howler vs Red-Necked Grebe

Alouatta nigerrima compared with Podiceps grisegena

Key Differences

• Amazon Black Howler is Least Concern while Red-Necked Grebe is Not Evaluated.

Taxonomic Classification

Rank	Amazon Black Howler	Red-Necked 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 grisegena

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Red-Necked Grebe

NE — Not Evaluated

Physical Characteristics

Attribute	Amazon Black Howler	Red-Necked Grebe
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-Necked Grebe

Habitat

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

Range

Found across Europe (5 countries) and North America (United States).

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.

Red-Necked Grebe

Red-Necked Grebe (Podiceps grisegena) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.