Hurleur du Maranhao vs Red-billed Duck

Alouatta ululata compared with Anas erythrorhyncha

Key Differences

• Hurleur du Maranhao is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Hurleur du Maranhao	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 ululata	Anas erythrorhyncha

Evolutionary Relationship

Hurleur du Maranhao and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hurleur du Maranhao

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Hurleur du Maranhao	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hurleur du Maranhao

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).

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.