Black Howler Monkey vs Red-billed Duck

Alouatta pigra compared with Anas erythrorhyncha

Key Differences

• Black Howler Monkey is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Black Howler Monkey	Red-billed Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Anseriformes (Anseriformes)
Family	Atelidae	Anatidae
Genus	Alouatta	Anas
Species	Alouatta pigra	Anas erythrorhyncha

Evolutionary Relationship

Black Howler Monkey and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black Howler Monkey

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Black Howler Monkey	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Howler Monkey

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Black Howler Monkey

The Black Howler Monkey (Alouatta pigra) is a species in the genus Alouatta. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.