Gray's Bald-faced Saki vs Ruff

Pithecia irrorata compared with Calidris pugnax

Key Differences

• Gray's Bald-faced Saki is Data Deficient while Ruff is Least Concern.

Taxonomic Classification

Rank	Gray's Bald-faced Saki	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Pitheciidae	Scolopacidae
Genus	Pithecia	Calidris
Species	Pithecia irrorata	Calidris pugnax

Evolutionary Relationship

Gray's Bald-faced Saki and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Gray's Bald-faced Saki

DD — Data Deficient

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Gray's Bald-faced Saki	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray's Bald-faced Saki

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.