Hurleur du Maranhao vs Ruff

Alouatta ululata compared with Calidris pugnax

Key Differences

• Hurleur du Maranhao is Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Hurleur du Maranhao	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Atelidae	Scolopacidae
Genus	Alouatta	Calidris
Species	Alouatta ululata	Calidris pugnax

Evolutionary Relationship

Hurleur du Maranhao and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Hurleur du Maranhao

EN — Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Hurleur du Maranhao	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hurleur du Maranhao

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Venezuela).

Ruff

Ruff (Calidris pugnax) 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.