Amazon Black Howler vs Red-Throated Diver

Alouatta nigerrima compared with Gavia stellata

Key Differences

• Amazon Black Howler is Least Concern while Red-Throated Diver is Near Threatened.

Taxonomic Classification

Rank	Amazon Black Howler	Red-Throated Diver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Gaviiformes (Gaviiformes)
Family	Atelidae	Gaviidae
Genus	Alouatta	Gavia
Species	Alouatta nigerrima	Gavia stellata

Evolutionary Relationship

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

Conservation Status

Amazon Black Howler

LC — Least Concern

Red-Throated Diver

NT — Near Threatened

Physical Characteristics

Attribute	Amazon Black Howler	Red-Throated Diver
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Amazon Black Howler

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-Throated Diver

Habitat

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

Range

Found across Europe (5 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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-Throated Diver

Red-Throated Diver (Gavia stellata) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.